Kae Serinuma is a second year high schooler and an avid fujoshi who secretly ships her classmates, Igarashi-kun and Nanashima-kun. The death of her favorite anime character causes her to become stressed—and loses weight rapidly. Now that Serinuma has become an attractive girl to her classmates, her snarky kouhai Shinomiya-kun, and her senpai Mutsumi, how is she going to deal with them...with her constant BL-filled, fujoshi mind?!

From Girls' Generation Scanlations:

High-school student Subaru wouldn’t reject a sexual favor, but dating is out of the question when he’s not in love. Stumbling upon a beautiful painting in school, he knows he’s found his first love – the artist behind the work. But winning the heart of his love interest isn’t going to be easy, particularly with his promiscuous lifestyle…

For some reason, Miyasaka finds himself absolutely enamored by the scent of his attractive male classmate Sawatari. But when he tries the cologne Sawatari recommends, the effect just isn't the same--it has to be on Sawatari or the cologne won't have the same effect.
A sweet story about the high school love between two boys.
Tankoubon also contains three earlier unrelated stories.

Ken and Yuu are childhood friends, they have always been together, they went to the same kindergarden, the same elementary school, the same middle school and now the same high school. Ken is really good at soccer, but he's hiding something from Yuu. What is it?

Satake Kou attended the wedding of his sister unknowingly that he will be reunited there with his cousin, Fumihiro, who used to be a very dumb fat guy, then transformed into a charismatic prince! Kou became undeniably self-conscious about this while he is not aware of Fumihiro’s high regards towards him since they were little. And in their reunion, Fumihiro’s admiration has turned into something complex. How would Kou respond to Fumihiro’s feelings?
(Source: Girls' Generation Scanlations)

Mio Keisuke is a high-schooler who leads a rather dull, boring life. He can't keep a girlfriend, because being a kept man's too much of a hassle, and he can't bring himself to fall in love and please his woman. Then one day he seeks shelter from a sudden downpour under the awning of an apartment owned by Yugi Kakeru, and suddenly his life isn't so dull anymore as he finds himself falling for his aloof and yet obviously lonely friend.
(Source: September Scanlations)

1) Rough ? Boyfriend (first part)
2) How? ? Boyfriend (second part)
2.5) It Is Difficult to Understand! ? Boyfriend (extra)
Naoto is Hajime's childhood friend. Naoto may look cute, but he has a bad attitude. That doesn't stop Hajime from liking him, though. But, the problem is, Naoto is homophobic.

3) All About My Brother
3.5) All About My Big Brother (extra)
Shinji has always loved his younger brother, Haruki more than any older brother should. Yet when he receives an unexpected warning letter demanding payment on a delinquent loan, he is left speechless. With everything Haruki could ever ask for, provided by loving parents, he demands to know what it could be that would cause Haruki to be so greedy and so irresponsible. Can Shinji really handle the truth behind Haruki's unusually selfish actions? or will he give up on Haruki all together?

4) Piano Lesson
5) Piano Lesson 2
5.5) Piano Lesson Variation (extra)
After his parents divorce, Hara Shuuji left Tokyo to live with his mother and attend the local school. With hopes of starting a new and peaceful school life Shuuji feels at ease when his first day starts out well. That is until a problem arises, a problem named Yoshie Kennichi, who carries the name of a "delinquent" with pride. Shuuji's first impression of Yoshie isn't good, but what's worse, is that his ideals for a peaceful school life are ruined when Yoshie suddenly recognizes him! Shuuji, a new student, has no idea how Yoshie can possible know him and frantically wonders, what in the world is going on!?

To break away from his existence as a NEET (Not in Education, Employment, or Training) and staying at home all day, Endou Hiroshi starts work at a convenience store. There he meets an arrogant and rude co-worker, Yamai Kouhei, whom he just can’t get along with. However, after seeing a different side of Yamai and getting to know him more, Endou’s impression of him starts to change for the better. But, just as things seem to be going fine for Endou and his return to society, his past comes back to trouble him. (Source: MU)
Also includes the one shot "Shounen Scrub" also known as "Youthful Love."

A one-shot about Hiroshi's co-worker, Haru-san, and his lover who is 6 years older than him.

Akira arrives in Tokyo from the countryside to start a new job but instead discovers that not only has his company disappeared but also his housing. Unemployed and homeless before he's even started life in the big city, life's looking pretty grim but maybe someone's looking out for him after all because who should text him at that moment but his childhood friend Chihiro. Providing a home, cooking meals, and even pocket money - just why is Chihiro doing so much for someone he hasn't seen since he was 10? Why does he consider Akira to be his best friend? And just who are those serious looking guys in suits? There just may be more excitement in the big city than Akira's ever dreamed possible.

Second-year culinary student Sakai has always dreamed of opening his own little restaurant and being able to touch people's hearts with his cooking like his grandfather did. Except he's at his limit, fainting in class from overwork and fatigue from commuting three hours every morning just to get to school but there's no way he can afford to live closer.... Until his classmate tells him about an almost too good to believe room share nearby. And so begins the story of four misfit roommates.