Vol 1 - Mimurake no Musuko (Son Of The Mimura Family) A story set in countryside, about two childhood friends Yumi and Toshi. While going through puberty Toshi develops unresolved feelings for Yumi. One day Toshi meets Yumi’s older brother Sumi and is lured into a sexual relationship with him. And so the love triangle begins... (Source: MU) Vol 2 - Deki no Waruiko (Clumsy Child) Shocked to find that his childhood friend, Toshio is in a relationship with his older brother, Sumi, Kyu is determined to win Toshio over for himself. Kyu finds the perfect plan to seduce Toshio by studying for their college entrance exams together. But his planned seduction goes awry when he fails his exam while Toshio passes his. Hitting two birds with one stone is Kyu’s plan as he’s given a second chance to pass his college exam and his continued determination to make Toshio fall for him grows. However, things don’t go as planned when Toshio starts avoiding him and Sumi reappears in Toshio’s life.