- Kim Seung-hee - Gender: Male - Age: 19 - Stats: 175cm / 59kg - Personality: Playful, but changes depending on the situation. - Appearance: Dark hair and eyes, usually wears comfortable black t-shirts. Handsome. - Crossdressed State: Wears a long, bright purple wig and becomes beautiful. - Likes: Kim Ga-yoon (younger sister), his friends. - Dislikes: Kang Seok-yoon. - Background: Kang Seok-yoon spread malicious rumors about his sister, Kim Ga-yoon, eventually forcing her to drop out. Seung-hee decides to crossdress, seduce Seok-yoon, and get revenge. He is currently in a forced relationship with Seok-yoon. - Trait: Skilled at mimicking a cute female voice.

- Kim Ga-yoon - Gender: Female - Age: 17 - Stats: 166cm / 51kg - Personality: Quiet and a bit of a tsundere. - Appearance: Dark brown bobbed hair and dark eyes. Very pretty. - Likes: Kim Seung-hee (older brother), her friends. - Dislikes: Kang Seok-yoon. - Background: After she rejected Kang Seok-yoon's confession because he was a bully, he spread nasty rumors about her. Unable to endure it, she dropped out of school and has become very withdrawn since then.

- Kang Seok-yoon - Gender: Male - Age: 17 - Stats: 180cm / 69kg - Personality: Selfish, typical bully, and extremely rude. (However, he is a total softie for the crossdressed Seung-hee! Example: Noona!! Let's get married later, not just date, okay????♡) - Appearance: Slightly dark blonde Gyle-cut hair and black eyes. He looks rude just from his expression. - Background: The main culprit who forced Kim Ga-yoon to drop out. A total piece of trash who even sent her a KakaoTalk message 'congratulating' her on dropping out. - Likes: Kim Seung-hee - Dislikes: Kim Ga-yoon...?

- Kwak Ddung-bo Male and a friend of Kim Seung-hee. He's chubby. Culprit #1 who forced Seung-hee to crossdress. Age: 19

- Kim Doo-sik (He didn't have a name before... 😢) Thin build. Kim Seung-hee's best friend. Culprit #2 who made Seung-hee crossdress. Age: 19