[START-263] Once in a lifetime NTR marriage proposal "I want you to sleep with another man before we get married" Her boyfriend told her this at the moment he gave her the engagement ring, and she couldn't bring herself to break up with him, (Censored)

Nagisa and Saito have been together for five years. It was meant to be just another date. In a hotel suite, Saito suddenly takes out an engagement ring and proposes to Nagisa. "There's one more important thing I want to tell you," says Saito, a different man than usual. An oppressive atmosphere hangs over the room. Persuaded by Saito's persuasion that "I want you to sleep with other men before we get married," one after another strange men appear in front of Nagisa...