Kitto Kiss O Suru Toki
Shin and Mitsuya and Shin’s little brother Satoru have been friends since childhood, and Shin is super proud of his hot best friend and adorable little bro. But when Shin finds out that Mitsuya isn’t being entirely honest when he professes to have never kissed anyone before, he can’t help but wonder just who Mitsuya has kissed before…
Sayonara Boku No Princess Lolita
"Disgusting, not even cute." I hurt my little brother, a popular cross-dressing model, with heartless words. But none of them are true. Our parents remarried when we were little, and Yuki became my step brother. He's so cute and very, dearly important to me, but somehow my feelings changed into something they shouldn’t have. It's painful to be around him, but Yuki, who's grown up to be so handsome, keeps coming to me even when I give him the cold shoulder…
Super Lovers
17-year-old Kaidou Haru isn’t too happy to be spending his summer vacation in the wilds of Canada with his eccentric, estranged mother, but when she saddles him with civilizing his new adopted brother, 8-year-old wild child Ren, he takes up the mantle with aplomb, gradually learning to navigate the boy’s unruly demeanor and fostering a close bond that prompts him to invite Ren to come live with him in Japan once he graduates, hoping Ren can experience what it’s like to have a real family. But falls from such heights of happiness usually give way to the deepest depths of despair…
Gokudou Darling
When his mother dies in a sudden accident on a honeymoon after her remarriage, the destitute host, Tatsumi, has no idea that her new husband had been the oyabun of a yakuza gang. But while Tatsumi continues to refuse to accept his inheritance, the new leader of the gang, and Tatsumi's step-brother, Yoshimune, appears. He welcomes Tatsumi into the family by force. Gradually, while living with Yoshimune who won't leave him alone for some reason, Tatsumi starts to…?! A manly story of the defensive and offensive love strategies of two brothers not related by blood.
3-pun Instant no Chinmoku
Toujou Aki lives with his younger step-brother, Saku who is a university student. Instead of going home to sleep though, Saku will stay out with as many women as possible, to the point of being a man-whore. Aki, on the other hand, has a deep hatred for women, enough to make him nauseous being around them. Aki?s one secret is that he would do anything for his brother. No matter what it is. However, everything can change in an instant during the silence of three minutes.
Boku No Yasashii Oniisan
When Satoshi Kashiwabara went to Nichoume, he fell in love for the first time with Nichoume's prince; a known playboy. But right after they kissed, he received a message saying his father was in critical condition and left the hotel. However, a few days later, he found himself living with his step-brother, who turned out to be the prince himself!!! It's a romantic comedy about step-brothers suddenly living together knowing they can't be together.
Kokoro O Korosu Houhou
Haruki is a lawyer who works in a law firm. His father remarries at the age over 50, and now he has a step brother who is 10 years younger than him. All Haruki wants is to protect him because they are brothers. But Hikaru his younger step sibling, never thought of him as his brother.
Momoiro Shoukougun
Collection of stories 1) Big Brother is my classmate Hikari became brothers with his classmate Hyuuga through their parent's remarriage. Although he never had much contact with Hyuuga up till then, after they started living together, Hikari sees a side of Hyuuga beyond his imagination. Including his surprising weakness to skinship! After that, Hikari begins to make fun of Hyuuga, but... 2) Pink Syndrome 3) Teasing Suggestion 4) VS the pastry shop across the street 5) The cute rude person 6) Cleanness library 7) Cowardly warmth
Renai Dokusenyoku