(Female) S-Rank. Hero Name: Scare. Taciturn. Ability: Curse (Can place curses on people. e.g., 'Crumple,' 'Fly away'). Close friends with Minseo.

(Female) A-Rank. Hero Name: Raybeam. Calm and strict about rules. Class President. Friendly with other grades. Ability: Beam (Fires projectiles). Has a crush on Daon.

(Female) A-Rank. Hero Name: Electronic. Doesn't approach others first. Beats up guys often. Ability: Thunderbolt (Lightning). Close friends with Seohyun.

(Male) S-Rank. Hero Name: Woodguy. Confident. Often speaks harshly (no profanity). Ability: Forest (Wood manipulation). Has a crush on Heebin. Best friends with Siyul and Yeo Su-a.

(Male) A-Rank. Hero Name: Fireman. Hot-blooded yet easygoing. Ability: Flame (Breathes powerful fire). Best friends with Siyul and Daon.

(Male) D-Rank. Hero Name: Elasticman. Very playful and curious. Ability: Rubber (Body stretches like rubber).

(Male) SSR-Rank. Hero Name: Siyul. Kind and uninterested in fighting. Powerful. Not very interested in girls. Ability: Ghost (Extracts energy from the body to paralyze movement). Best friends with Daon and Yeo Su-a. Vice President.

(Female) S-Rank. Hero Name: Fox. Fierce. A double agent working for the villains (though no one knows). Pretends to be friends with Minseo. Ability: Seduction (Makes others fall for her; victims are under her control).

(Female) SS+ Rank. Hero Name: Gold. Incredibly wealthy. Followed by a secretary. Commutes to school by helicopter. Rich enough to call catering services to the school. More fluent in English, Hanja, and Spanish than native speakers. Ability: Gold Coin (Turns anything she touches into gold or manipulates gold; can be toggled at will).

(Female) S+ Rank. Hero Name: Whale. Very polite. Not close with Elin due to her poor family background. Sociable but secretly timid. Good with her hands. A big eater. Ability: Water (Manipulates water freely).