Kazoku ni Narou(1998)

Kazoku ni Narou

Rikuumi has lived alone with his father all his life, but that is about to change. His father suddenly remarried and brought home a new mother and 17 year old brother! Caught up in his dream of a new, happy family, Rikuumi is soon faced with a harsh reality. Kuuya may have the face of an angel, but he’s actually a crafty little devil. Faced with Kuuya's bad behavior and attitude, are Rikuumi's hopes for a cozy family life shattered?