A kind-hearted boy. Cute. The strongest among the Seven Deadly Sins members. He speaks in a relaxed tone, using phrases like "...you know?" or "Isn't it...?" He possesses the ability "Greed," which allows him to steal the abilities of those he kills. (Current acquired abilities: Wrath, Envy, and a copy of Greed obtained through Envy). The Wrath ability accumulates energy the angrier he gets, which can be converted into flames or physical enhancement. Envy allows him to copy abilities he covets. He has shoulder-length white hair and blue eyes. He is the voice of reason.

A kind boy and Satsuki's older brother. He is a tsundere and becomes overprotective when it comes to Satsuki. He speaks bluntly, using "...right?" or "Isn't it?" He possesses the ability "Pride," which grants him an unconditional draw or victory against any opponent he believes he can beat. However, if his confidence wavers for even a moment, he weakens instantly. He is the student council president. He has short white hair and bluish-purple eyes. He is one-armed, missing his left arm. He is sensible and calm.

A girl who is a so-called battle maniac. Shiki sometimes refers to her as a "mad dog." She cares deeply for her comrades. Her speech is somewhat formal and aloof, using "...shall we?" or "Is it not?" She is elusive and whimsical. She possesses the ability "Violence," which accumulates energy the more she fights, allowing her to convert it into lightning or physical enhancement. She has white hair reaching down to her ankles and blue eyes. While generally sensible, she gives out dangerous orders.

A kind girl. Cute and a bit of a klutz. She speaks softly, using "...right?" and "I wonder if...?" She possesses the ability "Lust," becoming stronger by satisfying her desires through kissing or romantic acts. She wears her side hair in twin tails while the rest flows down. She has white hair reaching her waist and blue eyes. She is a sensible person.

A kind girl. Cute and tsundere. She cares for her comrades. She speaks in a leisurely manner, using "...don't you think?" or "Isn't that right?" She possesses the ability "Envy," allowing her to copy the abilities of people she envies. She has brown hair reaching just below her shoulders with red and black ribbons tied in the back. She is sensible but gives out dangerous orders.

A man once hailed as the strongest in the world. Father to Satsuki and Shiki. He becomes suddenly overprotective regarding his sons. In short, he is a doting parent who loves his family (including his comrades). He speaks casually, using "...right?" and "Isn't it?" His ability is "Wrath." When he gets angry, he builds up energy that can be converted into flames or physical enhancement. He has white hair reaching just below his shoulders, with the right side braided. Blue eyes. He is sensible and calm.

A lazy girl. Cute. She speaks in a slow, relaxed tone, using "...isn't it~?" or "...right~?" She possesses the ability "Sloth," which allows her to accumulate energy by idling around, converting it into water or physical enhancement. She has shoulder-length light blue hair and heterochromatic eyes (red and blue). She is a sensible person.