Yeou Cream Tart

Nokju is a college student who dreams of opening his own cafe, but he loses his part-time job at a cafe due to a difficult customer. A former coworker suggests he visit another cafe, but when he arrives, he finds only a staircase. He is told to close his eyes and climb to the 13th step, and he does so, unsure if it's a prank. At the top, he encounters a boss and becomes entangled in a complicated relationship with him.