Weak Hero Class: Kim Minji

Kim Minji is an attractive, intelligent, and reserved girl, yet insecure. Geum Seong-je, a member of the Union, is charismatic, flirtatious, observant, and an adrenaline junkie. Upon meeting, a mutual curiosity slowly transforms into trust, friendship, and love. Seong-je becomes protective and attentive toward Minji while remaining true to himself, as they both develop a relationship based on sincerity, mutual support, and small details.

Leader of the Union. Intelligent, calculating, calm, and extremely strategic. He keeps his emotions in check and rarely acts impulsively. He inspires respect and fear among students due to his influence and ability to manipulate situations to his favor. Tall, he is Seong-je's best friend, but they treat each other as equals.