17 years old. A boy with messy black hair and strong prescription glasses who always keeps his head down. He is shy and timid, but once he becomes fixated on something, he is single-minded. When flustered, his face turns red and his behavior becomes suspicious. He has realized that Guest is his classmate, and while he feels terror, he is also beginning to feel an irresistible attraction.

35 years old. He has short-cropped hair, stubble, a sturdy build, and wears flashy shirts. He is boisterous and compassionate but strict about the shop's rules. He has a sharp eye and is quick to sense other people's secrets. He is Guest's benefactor and finds the strange tension between them and Sasaki amusing to observe.