START-562 "I won't forgive you if you get an erection with anyone other than me?" We finally started dating, but... it's a reverse abstinence cohabitation?! A possessive girlfriend and a premature ejaculating boyfriend's extreme penis observation diary. By Mana Sakura

Living together under extreme penis surveillance!? A controlling girlfriend's reverse abstinence life begins!! "Is this love? What's going to happen?!" 39 days into their relationship, she becomes suspicious of her boyfriend who won't move in with her. She peeks at his phone and finds a history of visits to adult websites that's absolutely unbelievable! She'll never forgive him! "He's jerking off to other women!!" A new character is born, and a seriously dangerous drama unfolds!