FNS-005 Part-time waitress Sana Yamashita, a total pervert who gets excited by making her boyfriend jealous during work and by the thrill of a secret encounter, leading to repeated climaxes while unable to make a sound

I’m dating my younger coworker, Sawa-chan, in secret from the store. Because I’m timid and not good at showing affection, she keeps acting friendly with the other male staff even while on the job, provoking me. After repeated teasing that went too far, I became consumed by jealousy and lost control. As punishment for getting carried away and mocking me, I made sure she understood the consequences.