A boy and his senpai get kinky in a classroom after school.This manga contains tentacle play and is not for the weak of heart. You have been warned.

Ikebukuro, Tokyo—a neighborhood where twisted love prowls!! A series of street slashings in Ikebukuro begins to connect total strangers: A teenage girl with no personality of her own; a beat writer for a third-rate tabloid; a teacher suspected of harassment; an informant based in Shinjuku…and a headless rider straddling a pitch-black motorcycle!! Meanwhile, the slasher continues to terrorize the night, all in search of…“him”!?

A story set in the near future, about a middle-aged loser whose only refuge is a virtual bishoujo game.
Takuro, the main character, is a stereotyped, low self esteem, adult male in a dead end job. Because he feels he has nothing to live for, he let himself go, becoming fat, miserable, and lonely. The only shining thing he lives for is the occasional visit to a brothel where his savings will allow him to at least not be completely sexless. This is when, through a real life friend of his, he is introduced to the virtual reality world of "The Unreal". Where, after spending $6000+ on equipment, you can purchase a virtual girlfriend who only thinks of you. Only the girl, Tsukiko, that Takuro purchases, seems to have come with a few defects.

Witness the titular Punpun - who is depicted as a tiny, caricatured bird in an otherwise normal human setting - as he copes with his dysfunctional family and friends, his love interest, his oncoming adolescence and his hyperactive mind.

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From Overload Scans:

Ayako, a normal high-school girl caught up in the experiment of an enigmatic genius, is divided in two. In the midst of the confusion of sharing her life, she remembers her sister who had died suddenly. What lies beyond the feelings she remembers and the feelings she’s forgotten…

The story set in the contemporary South Korea. Some 30 years ago, unidentified creatures appeared out of nowhere and have attacked people. They have caused massive destruction wherever they go. The monsters are called "Trouble"s, and get the world have fallen into chaos. Along with the first appearance of the "Trouble"s, some number of humans were born with or acquired supernatural abilities. These mutants called "Trace"s are the only ones who can fight the "Trouble"s. The "Trace" are also considered freaks and generally shunned by the community because some of them misused the powers for their own interest. The plot revolves around two main characters. Sa Ghang-Gwon, a high school student born as a "Trace" who attempts to hide his ability. The other is Kim Yun-Sung, who acquired his "Trace" abilities during his early 30's. Webtoon from Daum

Bando Eiji is a hitman (though he hates to be called as such...) with more than a few screws loose.
This 3 chapter mini-series from the creator of Hellsing follows the escapades of the demented Bando as he picks off one target after another whilst simultaneously confusing the hell out of onlookers with his unhinged mental disposition!

A happy fox god is excited that a guy she liked has come back to her. Then she realizes how much time has passed, and her suffering begins!

Keiichirou Mishima is a 15-year-old guy living with his mom until she suddenly decides to fly to Paris to be with Keiichirou's dad. His mom arranges with his uncle Shirasaki to let him stay at his mansion with his two cousins Marie and Tomari, who he met many years before when he stayed with them for a short while. However, Keiichirou has forgotten nearly everything about back then, including why his cousins apparently now hate him.

A cynical romance, 'Have you been addicted to love?'

From Viz:
Phoenix is made up 12 complex stories linked by the presence of the mythical bird, an immortal guardian of the universal life force. Read in order, the separate stories jump across time, alternating between a distant future and a distant past, converging on the present, with characters from one story being reincarnated in another. The 12 stories--over 3000 pages.

Dawn:
The first volume, originally serialized in 1967. This story takes place in 240-270 AD, in the era of Queen Himiko of the Yamataikoku. Using her army, led by feudal general Sarutahiko, to invade Japan, she seeks the Phoenix and eternal youth.

Future:
The second volume, originally serialized in 1967-68. In Phoenix's chronology, this is the final story; it takes place near the end of mankind. In 3404 AD, the world has become super-modernized, but humanity has reached its peak and shows decline. A young man named Masato Yamanobe is living with his girlfriend, Tamami, a shapeshifting alien. Pursued by Masato's boss, Rock, they eventually take shelter at the isolated base of mad scientist Dr. Saruta, who attempts to preserve life on Earth with the assistance of his robot, Robita. Eventually, nuclear war breaks out.

Yamato:
The third volume, originally serialized in 1968-69. This story takes place in 320-350 AD (Kofun period), and is based on the Yamato-takeru-no-mikoto legend. The decadent king of Yamato is trying to have his own version of Japan's history written. Meanwhile, a "barbarian" tribe, the Kumaso, is writing an unbiased history. The king of Yamato sends his youngest son, Oguna, to murder the barbarian chief, Takeru. On his journey, Oguna encounters the Phoenix.

Universe:
The fourth volume, originally serialized in 1969; also known as Space. The story takes place in 2577 AD, where four astronauts must escape their ruined spaceship in escape pods. The survivors eventually crash into a mysterious planet. Among them is Saruta, who contends with Makimura for the heart of their female companion, Nana. On this strange planet, they eventually meet the Phoenix.

Hō-ō:
The fifth volume, originally serialized in 1969-1970. The story occurs in 720-752 AD. (the period in which the Daibutsu of Todaiji was built), during the Nara period. One-eyed and one-armed young man Gao, an ancestor of Saruta, turns into a murderous bandit when he is rejected by his village. He attacks a sculptor, Akanemaru, and the two men's paths diverge, but their fates remain linked. Akanemaru becomes obsessed with the Phoenix to the point that he loses sight of his original dreams, while Gao eventually finds a state of grace despite his continuing hardships. Ho-ō is widely considered the masterpiece of the Phoenix series. This became the basis of a Famicom game, in which Gao is the playable character.

Resurrection:
The sixth volume, originally serialized in 1970-1971. The story takes place in 2482-3344 AD. In an age of robotics, technology and science, young Leon dies in a car accident. He is returned to life by scientific surgery, but his now mostly-artificial brain makes him see living things -- including humans -- as distorted clay figures, while he sees machines and robots as beauties. Leon falls in love with a worker robot, Chihiro, whom he sees as a beautiful girl, and will fight for this forbidden love. He will also find out the secret behind his accident. A side plot features the robot Robita, who previously appeared in Future.

Robe of Feathers:
Serialized in COM, 1971. Published in English by Viz as an appendix to the second volume of Civil War (Turbulent Times). Based on the story of the Hagoromo.

Nostalgia:
Published in COM, 1971; continued in Manga Shōnen, 1976-1978. A science fiction epic about the rise & fall of civilization on the deceptively named desert planet of Eden & one boy's universe-spanning search for the planet of his ancestors: Earth. Features numerous cameos from other Science-fiction based Phoenix stories, including the shape-shifting alien "Moopies" first seen in Future, Makimura from Universe & an early model Chihiro Robot from Resurrection.

Turbulent Times:
Published in Manga Shōnen, 1978-1980. The story is about a woodcutter named Benta and his childhood sweetheart, Obu, who are separated and caught up in the events of the Genpei War. Various historical figures, such as Taira no Kiyomori, appear as major and minor characters. The character of Gao (from Ho-ō) appears as a 400-year-old hermit.

The Viz (English) edition is entitled Civil War and is split into two volumes, with Robe of Feathers included as an appendix to the second volume.

Life:
Published in Manga Shōnen, 1980. A TV producer who attempts to procure human clones to use in a The Most Dangerous Game-style reality TV program learns the error of his ways when he is mistaken for a clone himself. This episode is notable for only featuring the Phoenix in flashbacks and also for introducing her half-human daughter who does not appear again after this episode.

Strange Beings:
Published in Manga Shōnen, 1981. The story of a female samurai who is imprisoned in a time-warp by the Phoenix as punishment for her sins along with her faithful retainer & forced to become a healer treating the victims of wars from all over time and space including humans, youkai and various extraterrestrials. This chapter was loosely based on the Hyakki Yakō emakimono by the famous Japanese artist Tosa Mitsunobu (although in the context of the story it's the complete reverse).

Sun:
Published in The Wild Age, 1986-1988. This is the longest story, and was the final volume completed before Tezuka's death.6 It centres around Harima, a young Korean soldier from the Baekje Kingdom whose head is replaced with that of a wolf by Tang Dynasty soldiers following the defeat of the joint Baekje-Yamato force at the Battle of Baekgang. He then escapes to Japan where he becomes the feudal lord Inukami and becomes caught in the middle of the Jinshin War, as well as joining a greater battle between supernatural forces and time-travelling to a bleak future world ruled by a theocracy that claim to have captured the Phoenix. This chapter stands in stark contrast to the earlier historical Phoenix stories, which tended to de-mythologize the mythical characters therein, for instance in Dawn, many Shinto gods are portrayed as mere humans. In this chapter, however, various Youkai, Oni, Tengu and other mythical creatures are shown fighting against Bodhisattva.

Early Works:
Covers the prototype version of the series from the 1950s.

Dr Kim works at the Korean equivalent of NASA. He has talent, brains and is unparalleled with his programming skills.

One day, he hacks into the Mars Rover and catches the glimpse of an alien. Unfortunately, the device wasn't recording at the time and so he has no proof and clearly no one believes him. And as fate may have it, that alien has come to Earth believing she had been caught on video and wanting nothing more than delete that proof before her boss finds out.

Misunderstandings ensures as the two characters meet and are forced to work together as a new group of aliens start stirring trouble on Earth.

Nagasawa Shiina is just an average 3rd year high school student until her parents' company goes bankrupt. In order to pay the bills, she sells herself into prostitution. At her first job, a mysterious masked man crashes the party... and it's someone she knows.

Akumetsu is the story of Shou, a vigilante that's out trying to straighten the corrupt Japanese Government through terrorism with his "One man, One kill" code of action.

Now that Ira's older sister is getting married, who will take her to the bathroom after 10 p.m. and sing "Twinkle, Twinkle Little Star" outside the bathroom door in order to protect her from the beautiful, androgynous, child-eating clown? Will marrying a closeted gay man help?

Considered by many fans to be Ooshima's best work.

Sakurakouji Sakura is a girl who appears modest and graceful but in reality is skilled in martial arts. After witnessing a boy burning people with his blue flame, she is startled to see that the same boy is a transfer student, Oogami Rei. Oogami is a Code Breaker, one who "does not exist". He is a seemingly cold-blooded killer who follows the principle of "an eye for an eye", to "use evil against evil". Convinced that killing is not right, Sakurakouji sets out to stop him and penetrate his icy heart.

Anise can't believe her luck when she finds herself in the same high school as famous former child star Siva. Although the cool and handsome Siva seems unapproachable, Anise manages to become his friend. But her happiness turns to surprise when she discovers Siva's secret: for years, he's been switching identities with his twin brother, Cipher!

From acme: Dame BL is "a collection of BL oneshots written by some of the lesser-known participants in the genre (and some you may be familiar with already), with a focus on less conventional settings and characters. We're very far away from high school here, which hopefully you'll agree makes a pleasant change of pace." 1. Be Here to Love Me (KUMOTA Haruko) The relationship of a foot-fetishist and his cunning colleague. 2. Kou no Kawa (MOROZUMI Sumitomo) Set in ancient times, a village is near starvation due to a bad harvest. For some reason, the young chief takes care of a cursed man he finds lying in the river... 3. Khaa Thoong (Est Em) Can the young Thai kick-boxer rekindle the thirst for competion in a senior boxer after his devastating defeat? Column 1 (AOYAMA Toomi) Useless Side Characters Column 2 (Kashima) Obsession/Favoritism Column 3 (KUSAMA Sakae) Terror! Kappa Lake 4. Natsu no Saigo ni Yosete (UMEMATSU Machie) Two elderly men reminisce about their lives together over a bowl of peaches. 5. Locas! (OKADAYA Tetuzoh) Jean-Luc fell in love through correspondence in a chat with Al. What will occur, when he will decide to meet off-line? Is it really Al that wrote to him in chat? 6. And Robo (CHIBA Ryouko) A touching tale of robot clones... or something. 7. Shinumade BL Shindemo BL (Takeuchi Sachiko) 8. Tonari wa Nani wo Suru Hito zo (UNO Jinia) The unusual love a man has for his fan in the hot summer. 9. Soldier (Zin) A nazi sadist and a prisoner in camp. Excitement, desire, but... what about love? Attachment? Column 4 (KEVIN Komine) Column 5 (COTORINO Deathco) Eronashi BL Column 6 (PSYCHE Delico) Column 7 (YONEDA Kou) 10. Muhou no Shounen (Mochimeko) A story involving a Reckless Young Man and some scary faced gangsters. 11. Ima Doushiteru (ROTTA Ikumi) The funny relationship between a man who has a fetish for soft/chubby things and his fatty otaku-friend. 12. It Must Be (MOMOYAMA Naoko) A story about two professional cyclists and their travails.

From Go! Comi:

When her grandmother passes away, high-school student Kajitsu Toda suddenly finds two hot stepbrothers and an adorable little stepsister dropped in her lap! Kajitsu and her step-siblings have only one thing in common: they were all abandoned by their parents. Against the odds, they've pulled together to form a family without grown-ups. They don't want charity, they don't want pity... they just want their dignity!

Things are particularly tough for Kajitsu and her step-brother Natsu. As kids, they were as close as any true siblings. Now, reunited for the first time in seven years, they've grown as far apart as two people can be. Can they ever become friends again? And can two high school students living together, even as "siblings" ever escape scandal?