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...
What's up exactly between 
Himeko-chan and my brother?
¿En realidad qué tipo de relación 
hay entre mi hermano y Himeko?
¿Qué hay exactamente entre
 Himeko-chan y mi hermano?
Qual o tipo de relação entre
 meu irmão e a Himeko?