Gin-san takes history lessons, and teaches you how to hide your porn mags?
Tsukuyo tries to teach Seita history, the subject he's not great at. However, her training (?) methods end up leaving him scarred, which makes desperate Seita ask Gin-san to take over as his tutor...
Why do I have to hide them?
لمَ عليّ تخبئتهم؟
¿Por qué tengo que ocultarlas?
Por que tenho que esconder?