From Yen Press:

Kaede Takamura’s teenage life swerves to the brink of insanity when she comes face to face with her twin…or does she? Suzu is practically the mirror-image of Kaede — except for having cat ears and a tail and being far more well-endowed than Kaede thinks any teenager ought to be. But the Takamuras have no qualms about bringing this strange, happy-go-lucky catgirl into their home. With Suzu completely ignorant of the ways of modern society, it’s going to be a very long year for poor Kaede.

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A collection of short stories:

• Shima Ikka (The Islanders) -
A man is stranded on a remote island that is inhabited by a strange hermetical family. Being here could be the best thing that would happen to him.

• Education from Outerspace

• Eisei Kashikan

• Bunnies -
What if you could see your own future? For a curious reporter, this question becomes no longer theoretical as he ends up serving as an involuntary guinea pig for a mad scientist who claims to be able to do just that. But is what he sees really the future?

• Locker Boueki (Locker Trade Agreement) -
A scientist from the frozen world of the future discovers a locker which is also a time portal to the past...

• Wataru Seken

• Tora no Mon

• Wasureta Kusa

• Ipanema no Musume (Girl from Ipanema)

Tama and Aoi are friends from childhood. Tama is a shrine maiden that is not allowed to ever leave the village she grew up in because if she does, a terrible curse will unfold. Very much unlike Aoi, who's a normal girl and is free to do whatever she wants with her life. When Aoi's parents die, she has to move out of the village. To her dismay, Tama follows her in order to make sure Aoi fulfills a promise she made to her when they were younger...

From Wings of an Angel:
Focusing on the anti-hero of the original storyline, this manga is an incarnation of the recent game "Tales of Destiny: Director's Cut", which came with the ability to play as Leon Magnus. Now we will follow his story and find out what drove him to do what he did and the reason why. The story of love, pain and betrayal unravels and the wheel of destiny turns once more.

In 2071, north pole ice have melted and the land has been submerged. Humanity survived but it's divided into two species: the true humans, those who live in underwater cities, and the Dugons, those who chose to undergo genetic modification to live in the sea. Both species go to war to survive as long as the Dugons consider the humans good to eat.
To defend against the Dugons, the city of Mari Ramelle builds a new kind of weapon, the mermaid robot, Salacia. Because of the small size of the the pilot cabin, the robot is piloted by a girl and a boy, both 13 years old: Marin Yuuki and Ushio Mizushiro. The fight for survival is hard, and during the manga, the city builds more mermaid robots.

Yamagami is a small hamlet in Kyuushuu, the mountainous region in the south of Japan. Today, this village is inhabited only by old people still living in the rhythm of tradition and communion with nature. The return of one of the village youths, pursued by yakuza, will overturn life in this little world, spared until now from modernization. These sinister gangsters intend to seize this enchanted spot and trash it. Will Yamagami come to experience the harshness of the modern world?

From Anime News Network:

Dr. Taima is not your average doctor: a skilled acupuncturist with the ability to wield the taimashin (needles that control the flow of chi in things and are used to banish demons). He is often called upon to drive demons out of possessed persons that devour anything within their grasp - dogs, cats...even other people! Accompanied by his charming assistant, Togetsu Maki, Dr. Taima travels near and far to deal with these other-word maladies--often at the risk of his own life.

Taima's investigation leads him to Dunwich, Massachusetts, where he meets another needle wielder, Kyogo Ayakashi. As they encounter ancient evils that are best kept secret, how will these taimashin masters bait their prey?

[From Tokyopop]:

Nanase, a beautiful young telepath, returns to her hometown to settle down and lead a quiet life. However, her unique abilities make that impossible--even in the most remote location. Then she meets Norio, an abused little boy with extraordinary powers of his own. Nanase takes him under her wing, and from there they wander...two outsiders traveling from one strange encounter to another.

A young boy meets a young witch and asks her to teach him how to fly.

Poppoya: Satou Otomatsu is a lonely station master of a small station in Hokkaido, situated at the end of the line in a small village with an aging population. The station is due to close in the coming spring, and he will retire with it. One night in his last winter manning the station, an encounter with a young girl marks the beginning of the events that will see him reflect on his working life - performing his duty as a railroad man, whilst enduring the pain of its cost to his personal life.

Love Letter: Goro just got out from jail, but a police officer wants to talk to him right away. He announces to him that Goro's wife is dead and that he has to go to Chiba and take her body. Goro has no recollection of having a wife, but then he remembers he married a Chinese woman a long time ago. He married her for her money, and she married him because she needed a Japanese visa to work. In fact, she's a prostitute who came to Japan hoping to find better life.

At first, Goro can't be bothered by this situation, but he goes to Chiba just because he can earn a lot of money. Later on, during his trip, Goro finds a letter she wrote him and through it he discovers the pure person that lies beneath this common prostitute. She is a woman of such kindness and love that Goro is moved to learn something about the woman he married. With those few words of love and tenderness, he understands her fears, her goals, and her hopes for the future -- a future that he knows will never come.

From Seven Seas:
When darkness falls on the foggy streets of London, demons and monsters emerge to prey on human life. But demons aren’t the only ones prowling the streets. Two women have picked up the fight as humanity’s frontline defense against the darkness--a young gun-toting nun named Sister Meg and her mysterious, eternally youthful partner Angela. Together, they have made it their life’s work to spend their nights hunting the vile demons that stalk mankind.

From: Easy Going Scans

At the end of the age of shogunates, a great man is given a second chance to restore a crumbling, feudal Japan.

Toward the end of the Edo Period, samurai and visionary Sakamoto Ryouma led a revolutionary movement to overthrow the Takagawa Shogunate. Inspired by the Western principle of "all men created equal", he envisioned a modern Japanese government, free of oppressive feudalism. In 1867, he and his close friend Nakaoka Shintaro were assasinated before his dreams could be realized.

Tenshou no Ryouma explores the historical alternative-universe where Ryouma is saved through Shintaro's sacrifice. Given this second chance, will Ryouma finally be able to establish a new, modern Japan?

Tenshin Ranman is a manga adapted from the Yuzu-Soft visual novel of the same name. The story revolves around Chitose Haruki, a high-school student who has had immense misfortune ever since his childhood. He lives with his grandfather and his little sister, Sana, who constantly worries about his well-being more than he himself does. Due to Haruki’s bad luck, Yamabuki Aoi, his childhood friend, often gives him charms of various kinds. Haruki lives a normal (and unfortunate) life, until one day Sana finds a mysterious package delivered to their house. The package contains a deity named Unohana no Sakuya Hime, who claims that Haruki’s bad luck is a form of divine punishment his bloodline inherited. She promises to shield Haruki from it, and starts living with him.

On a remote island Mikazuchi is training to become a swordmaster. He dreams of visiting the outside world where he can meet girls. He grew up with Honoka who holds complicated feelings about Mikazuchi. This small island is protected by the divine gods and receives no visitors. The only things that ever happen are small quarrels between Mikazuchi and Honoka.

These peaceful days are shattered when Saya, a mysterious beautiful young woman, is washed upon the shore! The seal of the Yaoyorozu gods has been broken and a group of deformed monsters emerge. Honoka's parents prove powerless before the demons and are killed. Even the holy sword bestowed by the gods to protect the island since ancient times loses its divine powers and splits into two. Now they are faced with absolute danger!

Then, Saya's sacred powers save them. The holy madonna Saya's blessings bestowed through a kiss brings about a Western sword that can destroy horrible monsters instantly. Mikazuchi begins his tumultuous journey carrying the holy sword.

The story is set in Japan's Edo period, taking us through a whirlpool of conspiracy. The worlds of mythology and legend are interwoven into this definitive romantic action comic. With the slash of the two swords, one divine and one holy, a fascinating, neo-historical romance filled with mystery and surprises unfolds.

Collected short stories from Takahashi Shin.

The first story is a side story of She, the ultimate weapon.

The rest are separated short stories, plus extra artworks of She, The Ultimate Weapon at the end of the volume.

International man of mystery and master thief extraordinaire, Lupin III comes from a long line of high stakes bandits, all committed to stealing from the rich and giving to themselves. Fortunately, Lupin tends to avoid robbing society's virtuous and, instead, targets some pretty shady characters.
Of course, he partners with some pretty shady characters as well: Daisuke Jigen is an ex-mafia hit man who carries himself with a somber demeanor, his trademark black fedora tilted forward to hide his eyes. Goemon Ishikawa is a cipher-like swordsman with samurai-ish overtones who mysteriously fades in and out of Lupin's exploits. Fujiko Mine is the object of Lupin's affections, but, since she is a thief herself, the duo's romance more than occasionally clashes with their competition for big scores.
The global police force, Interpol, and in particular the tenacious Inspector Zenigata, long to capture Lupin and his gang. Zenigata's relationship with the eponymous master thief is a complicated one, characterized by mutual respect laced with utter disdain. The two have even worked together when it's served both their interests, but they understand that when the crisis ends, they must resume their former wariness and animosity toward each other.