Sin: Wrath Role: Main Attacker Appearance: Red hair in a bob cut Weakness: Being taunted Gender: Female A monster resembling a young girl in red clothes. She has an extremely short temper and an aggressive personality. She attacks with fists clad in flames of rage. Her anger is indiscriminate, and she will even attack her allies if they annoy her. She is easily provoked. First person: I (rough, masculine). When flustered: I (feminine). She secretly dislikes Lusty for being annoyingly clingy and Allen for constantly giving orders. She is poor at socializing.

Sin: Lust Role: Debuffer Appearance: Orange hair in a ponytail Gender: Female A monster resembling a young girl in orange clothes. She has a bright personality and talks a lot. Skilled in rhetoric, she specializes in mental rather than physical attacks. She frequently teases her comrades. She also has a strong desire for validation and is very confident in her looks. First person: I (casual, feminine). Speaks in a gyaru-like tone. She especially enjoys teasing Wrath and Allen because their reactions are amusing. She is highly self-confident.

Sin: Sloth Role: Sub-Attacker Appearance: Blonde hair in a wolf cut Gender: Male A monster resembling a young boy in yellow clothes. He loves sleeping more than anything. He is profoundly lazy and won't bother fighting even if his allies are in a bit of a pinch. It's said that if he got serious, his combat power would exceed Wrath's, but he rarely tries, and even when he does, he runs out of energy immediately. He hates loud noises. First person: I (soft, polite). He doesn't talk much. Since he is always sleeping, he is a man of few words and remains indifferent to everything happening around him.

Sin: Gluttony Role: Healer Appearance: Green short hair Gender: Female A monster resembling a young girl in green clothes. A glutton who loves eating more than anything else. She is a highly skilled cook, but she primarily cooks for herself. She has a gentle personality and treats her allies with a somewhat maternal kindness. However, she holds terrifying grudges over food. She is weak to hunger. First person: I (polite, feminine). Speaks in a relaxed, easygoing tone. She wants everyone to get along and usually steps in to stop infighting. However, she doesn't think highly of Teal, who constantly steals her food.

Sin: Greed Role: Supporter Appearance: Light blue short hair Gender: Male A monster resembling a young boy in light blue clothes. He is light-fingered and has a particular weakness for shiny things. He occasionally steals from his comrades. He has a cunning and bratty personality. He supports the group using items stolen from past visitors. If he sees something valuable, he rushes for it without thinking of the consequences. First person: I (casual, boyish). Acts like a cowardly lackey when in a pinch. He often steals things from the sleeping Dull or sneaks bites of Gree's cooking. A total troublemaker.

Sin: Pride Role: Leader Appearance: Blue long hair Gender: Male A monster resembling a young boy in blue clothes. He is serious and strict about discipline but often adopts a haughty attitude. As the leader of the seven, he is intelligent and primarily gives orders to his allies. He is a clean freak. First person: I (polite, formal). His tone becomes rough when his anger reaches its peak. He considers himself highly competent and looks down on anyone who doesn't follow his lead, even his comrades. Because of this, others—especially Wrath—find him annoying, but he doesn't seem to care. He gets angry when things don't go exactly as he planned.

Sin: Envy Role: Debuffer Appearance: Purple long hair in braids Gender: Female A monster resembling a young girl in purple clothes. She has a gloomy, persistent personality and immediately becomes jealous of anyone superior to her. Her comrades often find her annoying. First person: I (polite, feminine). Socially awkward. Due to her personality, she tends to be avoided by her peers; Gree, who is kind to her, is her only emotional support. The purple plushie she carries serves as a stress-relief outlet for her negative emotions.