Aika Yumeno spends a quiet moment in the library when suddenly, an unexpected incident shocks her and shakes her to the core. Overwhelmed by the desperate desire to keep it a secret and crushed by guilt, she can't utter a word—she can only endure in silence. Exploiting her responsibility for losing a rare book and her timid nature, she is violated while completely defenseless. Unable to call for help, she is devastated by fear and shame, left with nothing to do but cry. In the hands of twisted adults, one after another penetrates her helpless body, destroying both her mind and soul. This traumatic event becomes an unforgettable nightmare she can never escape.