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...
Just casually put them in this bookshelf.
سندرجها بكل عفوية في هذا الرفّ
Las dejaremos en el estante.
Coloque naturalmente
 na estante de livros.