This is a sweet, slightly dangerous, and secret love story between a ghost and a human who are basically joined at the hip!

Mashiro is a new adult who's scared of men. One day, she runs away to the former reference room and meets Kuro, a ghost. He's forceful, flashy, and shameless. Yet... His words and honest gaze slowly melt Mashiro's unconfident heart. "Will you let me pass on?" She's the only one who can see him, and they live together in a lifestyle full of limits. There's the heat that she can touch and the bittersweetness that he may disappear one day... This is a sweet, slightly dangerous, and secret love story of two people basically joined at the hip!