Rin has been watching over his son's healthy growth. He has survived the rebellious period, can study, and has a good friend, Takeshi. One day, Takeshi came to visit his house for the first time in a long time. Takeshi, who has been in love with Rin for a long time, seizes Rin's weakness by chance. Rin presents himself, threatened by Takeshi, who has runaway the thoughts he has been recruiting for many years.