a uniform girl who works part-time for her boyfriend sold her body for a small raise in hourly wage... shion, who is working part-time even at night when she shouldn't be working because she has no money. the proposal from the manager who took advantage of that weakness was a secret part-time job of sexual treatment work. the lewd manager who was aiming for her j-cup breasts demanded sexual treatment as if this was his chance. the sexual treatment part-time job that started with titty fucking became more extreme, escalating to sex and creampie, and shion's heart and body were eroded day by day, and she was beginning to be poisoned...