Oh, My Dear!
Kenshi has been in love with his childhood friend Mikami since middle school. After he jerks him off though, he starts avoiding Mikami. In college, Mikami says he might do gay porn, and Kenshi blurts out his feelings
Love/Death
Shouko and Akki are girlfriends who take tsundere to a new level. Sometimes you just have to knife-fight your girlfriend over a misunderstanding, and then blush and kiss about it.
Innocent Devil
Touko Kamijou, a talented criminal psychologist, sees Devils (remorseless killers) as the next step forward in human evolution. She researches them, alongside her young assistant Akane Shinkai, a girl who lost both her parents to her own self 8 years ago. She researches Devils, trying to understand what makes them (and herself) tick. [Ch.3+4: explicit injury/near death of a small child] [Ch.13 death of a 13(?) year old]
Love Monster (mio Junta)
1-2+4.5. College student Akira is confessed to by Itsuki, his younger childhood friend. Akira is shocked at this, and even moreso at Itsuki's possessiveness 3-4+4.5. Iwase comes across a fainted boy (and a secret devil) Ryou, on his way home. After Ryou gets in a scuffle, Iwase claims to be his lover, changing their relationship 5. Adachi goes to a mixer, where he meets Minami, a tall megane guy. Minami challenges him to not fall in love with him. If he doesnt, he'll introduce Adachi to a girl. If he does, they'll become lovers.
Natsume-kun Wa Nan Demo Shitteru
Yousuke and Natsume are childhood friends, and Yousuke assumes he knows everything about Natsume. Until he finds out that Natsume is his goddamn stalker. He makes a deal that if they date for a month, Natsume has to quit stalking him. But, well. You know.
Usagi-chan Doshikori Moushiagemasu
1-3. Trying to relax, Mitsuomi goes to a man-boob pub, where he meets Megu-kun – who has big pecs, a big ass, and an erotic body – and falls in love at first sight. But Megu-kun is straight... until his bisexual epiphany 4. [The One Who Confessed to Me Has a Fetish oneshot -- read and reviewed] 5. Daiki and Aida have been dating, now now it's their first time-- and Daiki is surprised at how much he likes bottoming. [Includes Usagi-chan extras]
Natsu ni Mebuku wa Koi no Oto
Yuu is concerned about the new transfer student, an antisocial boy named Yamauchi. But once he sees Yamauchi smile, he can't help but want to see it again and again. And maybe kiss him as well. [Has other related works, not yet on mangago]
Nise x Koi Boyfriend
1-2, 6-10. Inugami is a shy otaku boy, who dreams of having a fateful romantic encounter with a girl. Luckily for him, a girl shows up right at his doorstep- a girl who looks eerily similar to his popular male classmate Meguru. 3, 11. Keishi asks Yukihito, a stranger, out in a whim. He comes to realize that Yukihito is a sex crazed demon. He loves him anyway. 4. Hanao is a playoy who dislikes boobs, but can't explain why. (He's gay). He becomes interested in Koino, a boy in his year who has a crush on him 5. Hirono became popular to cure his loneliness, but becomes sidelined when his best friend Ogata gains popularity. Turns out Ogata is borderline yandere, but Hirono doesn't mind.
Hanayome wa Motodanshi
The autobiography of Chii, who used to be a boy, and now lives happily with her husband
30 Sai Kara no Coming Out