MIDA-682 A pure girl, whose holy water is leaked in a perverted train, is turned into a premature ejaculator by a god-like man who can always make her cum, and falls into a hell of mutual riding and orgasms.

Sana, who diligently pursues her studies and club activities, is troubled by frequent sexual assaults. Each time, she tries to muster the courage to speak up, but no sound comes out. And this morning, she is assaulted again... but this morning's assault is somehow different from the previous ones... Will the timid schoolgirl, easily swayed, succumb to the despicable assault...? Will the innocent girl be turned into a premature ejaculator by a skilled fingering and end up uncontrollably urinating...?