NHDTA-899 School girls who are painted with aphrodisiac on their bicycle chairs and can't stand it even on the way to school

A man who follows a schoolgirl riding a bicycle and sees a gap and applies an aphrodisiac to the saddle. Not knowing such a thing, when I straddle the bicycle and start to row again, the school girls start estrus with the aphrodisiac soaked in Mako ... I can not stand it and saddle masturbation! Even so, school girls who are not enough will feel instinct even if they are attacked! Furthermore, "in front of friends!" "Near my boyfriend!" "On an upside-down bicycle!" Etc. Happenings one after another! !!