It's the Kaimei School Festival, and Bossun's class is doing a maid cafe. Everybody's parents show up, and Bossun is approached by a man who claims to be the doctor who delivered him. He has finally decided to tell Bossun the truth of what happened that day, which he has kept secret for 17 years...
There is a person who shares your blood.
Tienes familia de sangre.
Hay alguien que tiene lazos de sangre contigo.
Há uma pessoa que compartilha
 do mesmo sangue que você.