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...
Just two guys in the same year 
who don't particularly get along.
Dos chicos en el mismo curso 
que no se llevan del todo bien.
Apenas dois caras no mesmo ano 
e que não se dão muito bem.