Description:

Aiba Mikage is the older brother who likes "rules" and "order," and his brother a year younger is Tomoaki, who's loose and rough. They have contrasting personalities, but 12 years after their parent's remarriage, they have been getting along well. However, the winter Mikage's university entrance has been decided, their uncontrollable feelings break the "rules," and the two of them decide on new "rules" for themselves... Underneath their secret rules, the two of them desire each other strongly but their time to part is near. The erotic and dramatic love of step-brothers! (Source: Senpai Notice Me Scans)

Description:

Takano is an art teacher who was almost raped by one of his students, but is rescued by his colleague, Ogata. Takano expresses his gratitude, only to have Ogata blackmail him. Takano thinks he has no choice but to consent to Ogata's request. However, as time passes, Takano discovers Ogata's true motives for their "relationship." Included in this compilation volume: • Jounetsu no Shinshoku Stepbrothers Jun and Kazuma struggle with their attraction to each other. Well, Jun struggles at least. (from M-U)

Description:

Chris Watanabe is a high school teacher. When his father remarries, he finds himself with an English step-brother named Wataru. Wataru transfers to Chris' school, and just as the four of them are starting their new life together, their parents die in a plane crash. Now Chris and Wataru are living alone together. The elder is cute and the younger cool; what will their new life hold for them!? Source: Solaris

Description:

Even though they were separated as children, Haru recognizes his long lost brother Tatsuya in a heartbeat. So, when Tatsuya invites Haru out for a drink, Haru assumes that Tatsuya recognizes him as well, but it seems the amorous Tatsuya has a poor memory. Can love overcome all? Will their love be broken by the emerging history between them? This thrilling drama tests the limits of true love and societies mores. (Source: DramaQueen)