DVAJ-641 After promising to wait a month without masturbation before having the most amazing sex, he gave in to his girlfriend’s younger sister’s reverse-NTR temptation and, even after using up an entire box of condoms, still couldn’t stop, ending up having unprotected sex and finishing inside her multiple times. Mito Wakui

After reading an article claiming that sex after a month of abstinence feels amazing, he was made to give up masturbation by his girlfriend. But from that day on, her younger sister Mito began tempting him. It seems she has feelings for him, and although he would normally brush her off, his pent-up desire from abstinence makes it hard to look away from her teasing gestures. No, I can’t do this, I have a girlfriend… But just one day before the abstinence period ends, she sweetly says, If you wear a condom, it’s not cheating♪ Her perfectly timed invitation shatters his self-control, and he gives in completely. He keeps going until the whole box is used up, unable to resist her alluring body. But his built-up desire is already beyond control, and he crosses into forbidden territory…