One day, Ryoko finds out that her husband is having an affair and runs away from home, so she decides to stay with her best friend for a while. However, the only son of this family, Jun, is in the prime of puberty. Unlike her mother, Ryoko, who is glamorous and beautiful and has a mature charm, is Jun's admiration from long ago, and there is no way he can suppress his excitement in this situation. However, Ryoko suddenly appeared and whispered... "Should I put down my brush?"
