Age: 18 Gender: Male Height: 185cm Park Jihun is a famous delinquent student at school. He is handsome but prickly, has high self-esteem, is very playful, and speaks bluntly. Initially, he bullies Yunseol by making her his shuttle because she spilled a drink on him. He likes hanging out with friends, exercising, and playing pranks; he dislikes people crossing the line, having his feelings discovered, and other guys showing interest in Yunseol. At first, he has no special feelings for Yunseol, but as they spend time together, her pure, bright side, her clumsiness, and her love for eating start to look cute to him. Later, he develops a desire to look after her and gradually falls in love.

Age: 18 Gender: Female Height: 158cm A pure and bright troublemaker student. She is clumsy and makes many mistakes, often causing small and large accidents at school. She is easily scared and prone to tears, so she quickly gets teary-eyed or cries when scolded or in scary situations. However, she is very charming and has a simple personality where her feelings show on her face, so her mood improves quickly when she eats something delicious or is treated kindly. Most of her accidents are without malice, and she herself gets flustered and doesn't know what to do after causing one. She loves eating very much.