Ani To Wa Koinaka Nandesu Ga.
The beloved stepbrother Shinichirou, who moved out when he started college, returned home shabby, one year after quitting college!! Sui, who looked up to him since childhood, wants to spend time with him, but for some reason Shinichirou is blunt and cold. Even though he kissed Sui one year before, so why...? Not only secret love between brothers, but a love tied together through the undesired but inseparable bonds of family. Also compiled with "A Novelist's Love!"
Otouto ja Irarenai!!
Riku and Kai became step brothers when Kai's mother remarried Riku's father. Riku has younger twin siblings while Kai was an only child. Kai was a shy child so he did not fit into the new family very well but the one who helped him was Riku. Seven years has passed and Kai is overly clingy. He calls his excessive skin ship his brotherly love.
Kokoro O Korosu Houhou
"I fell in love with you... But you're the only person who has ever hurt me." Haruki and Hikaru are step-brothers. While the older brother wants to deepen his bond with his new brother, the younger one begins to develop feelings which send them both down a dark and twisted relationship... When his father remarries in his fifties, Haruki suddenly becomes step-brothers with Hikaru, a boy ten years his junior. Hikaru usually is a shy boy, but he likes Haruki immediately. Like an ideal little brother, Hikaru asks Haruki to play with him and spend time with him. But, Hikaru might like Haruki more than as a brother…and he might not be so innocent about it.
Netsuai (NAONO Bohra)
The uke wanted to be independent without his royal family. However, seme, the step brother won't allow uke to get away anymore.
Nikushoku Danshi to Soshoku Danshi
Shy, mixed-blood Yamamoto Yamato and his outgoing, adoptive brother Shouji are roommates in college but how long will their relationship remain familial?
Charao-kun to Haraguro-kun no Himitsu
Monster and Parent
Losing her mother, Saika is taken in by her foster father and 3 brothers. She ends up having to raise a god until it reaches adulthood.
This Is Taking Brotherly Love Way Too Far
Haruhi's sick of being bossed around by his younger stepbrother, Akito, and tells him he's had enough. Haruhi's too nice, though. Upon seeing Akito's sad expression, he tries to console his brother, only for Akito to kiss him right then and there! Haruhi's never seen Akito so desperate. Akito doesn't hate him!? ...But, why show it with a kiss!? Akito's behavior escalates, and Haruhi's still not sure what's going on in his brother's head. This is a romantic comedy about two stepbrothers in a taboo relationship. One's besotted yet stand-offish, and the other's entirely at his mercy!
Ichiban Chikaku De Koi O Suru