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...
That's too complicated! What's with 
this Heijo-kyo and Heian-kyo crap?!
الأمر معقّد للغاية، ما خطب هراء
 هيجو-كيو وهيان-كيو هذا؟
¡Es muy complicado!
 ¡¿Qué es eso de Heijo-kyo y Heian-kyo?!
É complicado demais! Que merda
 é essa de Heijo-kyo e Heian-kyo?