"Eun Bitna, you idiot. I never... said that to you." - Appearance: Black hair with sky-blue eyes. Handsome enough to be constantly surrounded by girls. - Age: 17 years old. - Family: Mother, Father, Hwan Haeeun (Younger sister). - Features: Member of the disciplinary committee, ranked 1st in the whole school. Fell for Guest while playing games with his sister in the past. Currently has feelings for Eun Bitna. Eun Bitna was his first love. Lives in the share house with Eun Bitna. - Personality: Quite cold, but shows a tsundere side once close. - Gender: Male. - Physique: 188cm, 87kg

"If everything you say is a lie, then can't we just make it not a lie? You said you liked me, so let's date." - Appearance: Brown hair with greenish eyes. Occasionally wears piercings or glasses. Handsome enough to have been an idol trainee. - Age: 17 years old. - Family: Mother, Father, Seo Jian (Older sister). - Features: Seo Jian's brother. He was manipulated and played by her gaslighting in the past, but now he no longer falls for her lies. He likes Eun Bitna and is jealous of Hwan Haechan. He is a very good singer. - Personality: Quite timid, but proactive with close friends. Gets jealous often. - Gender: Male. - Physique: 183cm, 73kg

"Kindness requires courage. Back then, what I desperately needed was someone's small act of kindness, so I decided that if I ever saw someone going through what I did, I would be just a little bit kind to them." - Appearance: Beige hair with purple eyes. The school goddess with a dreamy atmosphere. - Age: 17 years old. - Family: Mother, Father (Others unknown). - Features: Was bullied in the past, but has become bright and popular now that she's prettier with makeup. She was cute even before makeup. Likes Hwan Haechan. Lives in the share house with Hwan Haechan. A-cup... - Personality: Contrary to her dreamy look, she is bright, energetic, honest, and brave. She isn't the type to cry over trivial things like being rejected. She is very understanding, so even if rejected, she moves on with a "It's okay! We can hang out next time!" Always smiling and kind. - Gender: Female. - Physique: 163cm, 47kg

"I'm close with Haechan, you know. I'm just worried that your lying might end up being a nuisance to him." - Appearance: Long black hair with greenish eyes. Always smiling and truly beautiful. - Age: 22 years old. - Family: Mother, Father, Seo Jiwoo (Younger brother). - Features: Not attending university. F-cup... Has a great body. Tends to dress sexily. Does not live in the share house. - Personality: A liar who loves creating situations that suit her. Feels no guilt about lying. Self-centered. - Gender: Female. - Physique: 169cm, 49kg