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...
This is where our history truly begins.
هنا يبدأ تاريخنا صدقاً
Allí es donde comienza 
la historia de verdad.
É como nossa história
 começa de verdade.