Neighbor, Could You Please Unlock My Handcuffs?

College student Jisoo, seeking a unique self-pleasure, handcuffs herself while naked. However, before she can even enjoy her own hot night, the handcuff key falls to the floor and rolls under the closet... Believing that the only person who can help her in this predicament is the handsome ajusshi next door, Jisoo makes her way to his house.

(Source: Lezhin, translated)