From Canis Major Scanlations:

On a class trip to a museum, Kasama takes notice of his classmate Takagi, who he knows doesn’t talk to other people much. But as the latter enters a curiously shining door and realizes Takagi can see "it" as well, even his interest in the classmate is woken.

From MangaHelpers:
Maiharu Hiromi has moved from Nagasaki to Kamakura at the start of her high school years. Kamakura is a beautiful, mountainous place, with a view of the sea and Mt. Fuji, and Hiromi is thrilled to explore the area. Hiromi hasn't ridden a bike since she was very young, but she attempts to ride to her first day of school anyway. In her case, riding a bike does not come naturally, and she ends up bumping into her first friend, Tomoe, who helps her learn how to ride. It turns out Tomoe is going to be in Hiromi's class, and their teacher is also a cyclist. Now Hiromi's exciting high school life, full of new friends and learning about cycling is about to start.

From Blissful Sin:

1-2) In High School they had an indecent relationship. Now eight years later, at the school where Takebayashi is a teacher, that same Ono has come to be the school nurse. Smelling like an old man, sweet pick-up lines, totally aloof and bantering Ono. Takebayashi sighs. He gets angry, fights, and is surprised later... to find himself in Ono’s arms?

3) Ryouhei accidentally meets on the street with Naoyuki, his former neighbor friend who been nearly abandoned by its mother. It been some years since they seen each other, but how they will feel now?

4) Continuation Ryouhei x Naoyuki story

5) As it is: Tsuji is crying again because a broken heart when suddenly Aizawa, his best friend, kisses him. (Prequel to doujin Sono Mama de)

6) Has a short story Peach Sweet Home.

Shin, Kouji and Yuki are childhood friends and schoolmates. One day, all of a sudden, Kouji and Yuki confess to Shin and attack him. How will Shin respond?

Izumi Seita, a gay, introverted, and pessimistic high school student, falls in love with Shinoya Toichi, his best friend. Shinoya is the complete opposite of Izumi. Before Izumi leaves for university, he gets his only chance to hold Shinoya. The sex they had seemed like a dream, but Izumi absolutely refuses to ruin his friend’s life and decides to try and forget about his feelings, even though it makes him miserable. But Shinoya won’t accept his decision…

Tamami-san is a bakeneko, an immortal cat-human, seeking revenge on all the descendants, to the seventh generation, of the man who scarred her for life. But to hunt down those descendants, she needs money. For money, she needs a job. Days in the office, nights out hunting. No wonder she can't stay awake!

Having given a magical Tengu mask to a human boy when she was little, Tengu princess Arazunaya Jirou is told by her father to go get it back. Nariyuki (the boy), now a high schooler, doesn't want to give it back. Slapstick comedy ensues.

Half a century ago, the human race was attacked by an enemy from the sea known as the AUS. When Reiji Shiroyama was little, he was unable to protect his sister from the AUS because the gun he tried firing jammed. Since then, Reiji refuses to trust guns and only trusts his fists.

Playful children invade a young woman’s peaceful apartment… to what end?

From Memory For You: Kunimi and Hideaki are childhood friends. But lately, Hideaki is behaving coldly towards Kunimi. Why?

A psychedelic romp featuring an ordinary high school girl and her encounters with the very odd guys who somehow always seem to gravitate towards her.

From AOC Translations: A fast-paced heart pounding, and dangerous sonic love story!

Hina is busy managing the Apricot House in place of her father, but Anzu, the strange boy who lives in room 304 is quite the troublemaker.
One day, Hina accidentally breaks Anzu's keyboard and instead of asking Hina to pay for the damages, he asks her for favour after favour after favour! While this goes on, Hina discovers that Anzu is actually the charismatic vocalist for a super popular band!!! Is the lame weirdo that Hina knows the real Anzu? Or is the cool guy on stage? Hina's everyday life is changing rapidly.

From Paper Dolls Project:

Instead of her father, Hina is the one running the duties of the Building Manager in "Apricot House". One day, she accidentally destroys the keyboard of Apricot House room 304 strange resident. Hina is then asked by this strange guy to run errands for him as reimbursement. In truth, the strange guy residing in 304 is the charismatic vocals of the popular band ...... What will be his true face!? Chicks usually will change rapidly in the face of a cool stage -! Slowly, the world that Hina knows is changing. Experience this speed ​​of sound love story!

"An anthology of an adult puffing at blue smoke quietly" Various well-known mangaka look into the theme of cigarettes and smoking.

A seinen manga from 1979 (R-18)

Published in 1980 in Shounen/Shoujo Sf Kyousaku Daizenshuu

A rare, 4-page one-shot that’s never been reprinted!

16-year-old Murai Masahiko is a fat, ugly, gaming-addicted social outcast with a fetish for the smell lingering around a scumbag in his class. When a beautiful girl named Mizusawa Haruka transfers into his class, one thing leads to another and they start dating. But there's a truth that Murai is all too aware of: Mizusawa Haruka died five years ago.

I Love You yori Aishiteru (I Love You More Than "I love you")
Honour student meets delinquent, and an unusual relationship begins.

End-of-volume extra: Onaka wo Sukasete Kaettekuru Ne (Come Home Hungry)
A crybaby who always gets picked onto sports teams because of her height but can't score to save her life, and her cool-headed childhood friend from the cookery club.

Some are chosen by the 3 guardians of the Universe that protect the balance of all worlds and to stop a great evil. These soon to be heroes are selected from different worlds and are gifted supernatural abilities and unique weapons to fight of The god of all evil and his force and take back the keystones which hold the source and balance of worlds.

Masaki Masamichi has his heart set on joining the legendary manga club of Takidani High School. After all of his effort to get into Takidani High School and prepare for his club entrance, he finds out that a horrible change has happened to the club of which he dreamed. How will he cope with the disappointment of learning that his long-awaited club life consists of drawing ero-manga?

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