[Reducing Mosaic]107START-263 Once-in-a-lifetime proposal NTR 'I want you to sleep with another man before marriage' told by boyfriend at the moment of receiving an engagement ring, can't even think about breaking up now, reluctantly accepted it M girlfriend Nagisa Koyuki

Sato and Nagi, who have been together for 5 years. It was supposed to be a date like any other. In the hotel suite, Saito suddenly took out an engagement ring and proposed to Nagi. "There's one more important thing I need to talk about" Saito, unlike his usual self. A heavy atmosphere flows. "I want you to sleep with other men before marriage" As I was swayed by Saito's persuasion, strangers kept appearing in front of Nagisa...