A serious study session becomes a naughty chin ○ study session! But I'm bad! Before the test, I always hold a study session with my classmate girls in my room and always teach them! However, because the skirt is short and always defenseless, it looks like it's panchira! When I saw that, I couldn't concentrate on my studies and got an erection ... I hurriedly hid it, but when I thought it would make me feel uncomfortable, a study session for girls who were curious about erections started.