Curiosity, if taken a step wrong, can derail one's life. Aika, intrigued by the promise of free sexual supplements, ends up engaging with a male supplier. Her defenseless, delicate body becomes the perfect prey for men. Treated like a toy with her mouth, she is forcibly irrumated, filled with semen, becoming the prey of these men. Aika must confront an ever-increasing number of male penises. Fate is indeed fleeting.