Sachan is about to marry Akashi. However, the Momoyama gang crashes the wedding venue! Despite repelling them with her signature launcher, an enemy stronger than expected stands in her way!! His name is 'THE First Night'! Blushing with shame, she dons a 'naked apron,' a situation that delights men. Akashi's hand touches her inexperienced body... Finally, Sachan's eagerly awaited story is fully visualized! Be sure to engrave Sachan's alluring appearance in your eyes!!!