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...
So Hideyoshi was a survivor 
of an extinct ancient species?
كان هيديوشي ناجياً متبقياً من فصيلة قديمة منقرضة
¿Hideyoshi fue el superviviente 
de una especie extinta?
Então o Hideyoshi era um 
sobrevivente de uma espécie extinta?