Amai Sokubaku
Masayuki is always being compared with his older brother, Hajime. Even though Hajime is better than him at everything, he's the one that's going to inherit the family's company. There's also the younger brother, Kei, who disappeared for five years and became a celebrity. Masayuki's feelings were already in a turmoil when, to make things harder, Kei suddenlly reappears in a family gathering and brings back conflicts from five years ago.
Gochisousama, Virgin Cherry
Kyoichi and Taisei are the radiant eldest and youngest sons of the Miaki family. Kyoichi is the top salesman in his real-estate company, and Taisei is the valedictorian of his high school and excels in almost everything he does. Although Towa Miaki, the middle son, may seem dull in comparison, he is the glue that holds the entire Miaki family together. Towa's worst nightmare is to lose his family and brothers, especially after having to go through the loss of his biological mother at a young age. When Towa was six years old, his father married Kyoichi and Taisei's mother, and Towa experienced the joys of having a big family and gaining two stepbrothers. Since then 15 years have passed, and the three brothers are as close as ever, not without its obstacles along the way. But now, Towa is content and absolutely overjoyed that his two brothers have straightened out and put their rebellious selves behind them... Or so Towa thought until he bumps into them with strangers around their arms, coming out of a love hotel! Has Towa's perfect family been an illusion this whole time!? Or is there a deeper meaning to their rebellion...?
Haven
Minsung and Jian became step-brothers when their parents remarried. By this time, however, the rough and violent high school life Minsung had has caused him to lose sight in one eye, while he also changed into an omega. After they become a family, Jian becomes unusually obsessed over Minsung due to the lack of love he received from his biological parents. This develops into a relationship where they spend their ruts and heats with each other. But as Jian starts to want more from the relationship than just being brothers and sex partners, Minsung’s past catches up to him and causes their relationship to crumble to pieces. An omegaverse story of brothers not related by blood.
Yarisugi Brothers
Hinata is a good looking model who is arrogant and selfish. In order to correct his son’s troublesome personality, his father makes arrangements to welcome a step “brother” into the family. Yue, a lawyer in the making, loves his “brother” and is a big perv who chases after Hinata’s ass with a straight face! While living under the same roof, will Hinata be able to protect his chastity!?
You’re a Cute Slave of Love
It's weird for brothers to do this...!! Tenya and Yamato Hagiwara were raised as twin brothers, but then they found out the truth. Ever since then, the younger of the two - Yamato - started skipping class and hanging out with the delinquents at school. Tenya takes it upon himself to fix Yamato and make sure he ends up on the right track again, but it's proving to be difficult. One day, Yamato's friend Tatsumi tells Tenya where he can find his brother, but it ends up being a trap as he walks in on his brother going at it! Afterwards, Yamato tells Tenya that he will have to make up for his interruption by being a replacement for the girl who ran off...!!
What You Wish For Won't Come True
As an ordinary but hard-working undergraduate, Wonhyuk diligently prepared for his overseas studies, without ever reaching out to his stepmother for help. Suddenly, appearing in front of Wonhyuk is his stepbrother, Hanseo. Within the walls of Wonhyuk's empty home, as if he’s ready to leave at any moment, the mysterious chemistry between the two overflows. "My rut is here. This time too, get through it with me." For a Beta like Wonhyuk, the way an Alpha like Hanseo treats him makes him slightly anxious... How will Wonhyuk continue to face Hanseo, a person he finds hard to understand, both in the past and the present?
It's All Your Fault, Brother
Soon after his mother passed away Akhito started living with his father who never cared about him or his dead mother & soon found out what a whore his new step mother is but unexpectedly his little step brother ,Tomo turned out to be a nice guy ..over time both bonded more due to Tomo's friendliness but their equation changed when Akhito ended up getting the top spot after getting tutored by Akhito ..& moreover even the girl whom Tomo had crush on ended up confessing to Akhito ..Soon Akhito noticed that Tomo is gradually distancing himself from him couple with his step mother's jealousy made the matter worst .
Yona Yona, Amaku
Roma, who works as a high-end call boy by night, suddenly starts living together with the son of a wealthy man, Sharaku, due to his mother’s sudden remarriage. The lifestyles of the cheerful Roma and the straight-laced Sharaku are exact opposites, and just when Roma thought there would be no common ground between them even if they lived together, Sharaku shows up as his customer for the night…! Rather than refusing him, they continue their play at Sharaku’s request. They go all the way and have sex and the next day, Sharaku suggests an exclusive contract…!?
bros.
A cute little brother suddenly became a beast. "Little brother, don't you have something to tell me?" "You're one to talk!" Yusuke and Tokio are brothers living together in their parents' house during their absence. One night they have an unexpected encounter in the city, and their secret is revealed: Yusuke is gay, and Tokio is bi. Even though it was a choking discovery, Yusuke keeps trying to play the good older brother role, while the younger brother Tokio can't see him with the same eyes anymore. The love battle between a poker face brother and another that has a soft spot for bad men begins!
3-pun Instant no Chinmoku