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...
It's "One fine banana's extra enormous, 
right, goriest honey? Banana hunt."
كان "إنّها موزة هائلة وعملاقة يا غوريلّتي
 "أليس كذلك؟ نزع موز
Es "Una colorida banana te obliga 
a observarla, ¿cierto, cariño?".
É "uma banana boa vale por cinco cachos de 
oito por oito, sim, querida? Caça à banana".