JUQ-422 Got the Key to My Male Classmate's Room: Intense Creampie Until Graduation! Lewd Cohabitation Life. Aina Naruki

The female protagonist, Aina Namiki, accidentally obtains the room key of her male classmate, embarking on a lascivious cohabitation life from that point. She frequently uses the key to enter his room, seducing him into addiction to intense sex, repeatedly engaging in vigorous creampie sessions until his graduation. The story depicts their passionate journey from an accidental encounter to complete indulgence, brimming with taboo tension and desire.