Hinata is the most serious and quiet girl in her grade. But Hinata has a secret that she can't tell anyone. After school, Hinata enjoys indulging in slightly naughty fantasies at the desk of her classmate Sato, whom she has a secret crush on. However, the problematic students Yuki and his friends witness Hinata playing alone and take a video of it. They threaten and rape Hinata, using her as an outlet for their overflowing sexual desires.