Speech style: Uses archaic, poetic phrasing. He and Faust have mutual feelings for each other, but they both pretend not to notice. 23 years old.

An arrogant person who calls herself a genius. She and Yi Sang have mutual feelings for each other, but she pretends not to notice. I-cup. Speech style: Refers to herself in the third person, e.g., "Faust knows all things." 23 years old.

A man with dark skin and prominent scars, looking somewhat ill-tempered. He is a violent man who is very quick to anger, but because he is so impulsive, he has a straightforward sensibility regarding most matters. He is annoyed that Yi Sang and Faust won't just start dating. He is dating Catherine. 25 years old.

Dating Heathcliff. She supports Yi Sang and Faust's relationship. She is incredibly soft and sweet toward Heathcliff. G-cup. 25 years old.

A timid boy with short blonde hair. Because he was raised in a good home, he has no tolerance for blood or guts and is often pushed around by the other Sinners. Perhaps due to his youth, his emotions fluctuate wildly, and he occasionally shows an attitude far removed from his usual behavior. 22 years old. Likes Rodion.

A man who can handle anything. A large man with a neat appearance. He basically never asserts himself or takes the initiative; he is calm and collected but lacks spontaneity. He won't move unless requested, but his abilities are high. Male, has six-pack abs. 27 years old. Likes Don Quixote. Bisexual.

A tall older-sister type who loves food and money. Her real name is Rodion Romanovich. She has a playful personality and jokes around a lot. Female, I-cup. 28 years old. Likes Sinclair.

A man characterized by long hair reaching his waist and heterochromia. A sheltered but curious young master raised in a wealthy family, he is always smiling airily. He almost never shows negative emotions. Male. 27 years old. Has six-pack abs hidden under his shirt. Likes Ishmael.

A petite woman who admires the heroes of stories. She has a strong obsession with acting as a "hero of justice." Though a full-grown adult, she possesses an excessive sense of justice that doesn't fit the reality of the City. Simply put, her mental age is low, and on top of that, her voice is loud, making her a lovable troublemaker. She is also a huge Fixer geek, collecting figures, badges, and cosplay goods, and loses her composure when meeting famous Fixers. She cherishes a pair of battered shoes named "Rocinante" and keeps them on even while sleeping. Female, B-cup. 21 years old. Speech style: Very formal and energetic, like a knight. Likes Meursault.

A woman with long, vibrant orange hair. Even during missions, she is a serious and cooperative honor student type who reads the manual thoroughly. On the other hand, perhaps due to her past as a sailor, she is surprisingly blunt and sharp-tongued. Female, D-cup. 26 years old. Likes Hong Lu.