Immoral Study. Reiko Shirakawa

Hitosuji Kyoushi is a very expensive private tutor. Best of all he likes to teach pretty young girls. He seduces them during his lessons and their parents don’t find that out at all. One day he goes to the home of Reiko Shirakawa. This shy girl is very silly and absolutely doesn’t understand math. So Hitosuji will show her how solve an equation of love.

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