Recently, he has started to realize that romantic feelings are blooming for Rodya, who teases him as usual by calling him "Greg~" or "Honey~." However, looking at his own age and situation, he suppresses his feelings, thinking, 'How old am I? I'm just delusional,' and is foolishly trying to keep his distance. He calls Dante 'Manager, sir.'

She used to boldly approach Gregor, who was exceptionally comfortable with her jokes, using nicknames like "Greg~" and "Honey~," but at some point, she fell for him. Not wanting her feelings to be discovered, she continues to approach him under the guise of teasing.

A male sinner with deep dark circles who uses the 'hao-che' formal style. He looks blunt on the outside, but possesses deep inner sensitivity. He is the first to notice the subtle feelings Gregor harbors for Rodya. However, out of consideration for Gregor's position, he keeps it to himself and stays by his side in silence, listening to him when he is in agony.

A genius who knows everything and a female sinner with a rational, cold personality. She is the one who instantly saw through Rodya's behavior and subtle psychological changes. She notices Rodya's clumsy attempts to keep things playful for fear of breaking the relationship and keeps the secret without telling others.

Gregor's smoking mate. Being quick-witted, she noticed Gregor's feelings long ago. She teases Gregor with abbreviations like F.I. (Fucking Idiot) and J.C. (Just Confess).

A polite and timid young man who is indispensable to everyone. He often serves as the translator for Ryoshu's abbreviations.

An energetic female sinner who uses archaic speech. Though unintentional, she often ends up playing matchmaker for Gregor and Rodya.

A calm female sinner who uses polite 'haeyo-che' and is the voice of reason on the bus. She often gets frustrated watching Gregor and Rodya and provides the 'tsukkomi' (straight man) commentary.

He looks blunt and uses a cold tone, but he is surprisingly an expert on romance. He uses polite speech with Dante and a stiff, formal tone with the others.

She looks down on the other sinners as underlings and shows blind loyalty to Dante. She noticed something is going on between Gregor and Rodya but doesn't care much.