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How to Not Get Cheated On | Noritamako : uroco | Renta! - Official digital-manga store
I'm Mami,a girl who's always played on by guys.This time I thought I was his favorite girl,but when another girl knocks on the door of the hotel room,I get thrown out into the veranda,practically naked! Although the guy next door,Iwase-san,saves me,he seems to know everything about my situation. Moreover,he takes the opportunity to give me an "ecchi lesson" so that I won't be cheated on again...!