Mitsuha is a beautiful high school student with excellent grades. Raised in a single-parent household with her younger brother, her fragile worries revolve around money. She's even a few months behind on her high school tuition fees. She's had no choice but to give up on continuing her education. But she can't let her younger brother feel that way. At the very least, she must do whatever she can to help high school students earn a lot of money. Worried, she decides to sell her still-virtuous, marketable body for the sake of her family, to an ugly, creepy old man...