三人行必有我妹

"Threesomes Must Have My Sister OVA" is an animation work released in 2013. It is scheduled to be launched on March 27, 2013. It will be released in two forms: BD and DVD. The OVA contains the content of the 13th chapter of the threesome must have my sister in addition to the TV animation of the threesome must have me. The complete works of sister OVA are about 24 minutes long

In order to inherit his father's behest, Kuma Goro, a high school student, entered an elite school to learn how to become a qualified The principal, will also find a lifelong marriage partner at the school. This can confuse ordinary people's personalities, but the world is not difficult, and only then can they realize that a happy high school life is about to begin. On his birthday, he gets a call from a girl who claims to be his "sister". However, he doesn't know who his sister is. In the school, you will realize many cute girls, there is a school-level committee Tsuru is really a branch, the quiet and shy saint Aya, the girl with high IQ Yoshiki Yoshiki, etc., will realize the mysterious younger sister, A girl hidden among soft flowers.