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...
Also, now my porn mags have 
been discovered worldwide!
كما أنّ مجلّاتي الفاضحة أصبحت مفضوحة
 !على صعيد عالميّ
¡Ahora el mundo entero sabe 
de mis revistas porno!
Além disso, o mundo todo 
está sabendo do meu pornô!