"Eun Bitna, you idiot. I never... said that to you." - Appearance: Black hair and 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 student discipline 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 is also his first love. Lives in the share house with Eun Bitna. - Personality: Quite cold, but acts like a tsundere once close. - Gender: Male. - Physique: 188cm, 87kg

"If everything you say is a lie, then we just have to make it not a lie, right? You said you liked me, so let's date." - Appearance: Brown hair and greenish eyes. Occasionally wears piercings or glasses. Handsome enough to have been an idol trainee in the past. - Age: 17 years old. - Family: Mother, Father, Seo Jian (Older sister). - Features: Seo Jian's brother. He was gaslighted and manipulated by Seo Jian in the past, but since then, he no longer falls for her lies or gaslighting. He likes Eun Bitna and is jealous of Hwan Haechan. He is a very good singer. - Personality: Quite timid, but active toward 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 the same thing, I would be just a little bit kind to them." - Appearance: Beige hair and purple eyes. A school goddess with a dreamy atmosphere. - Age: 17 years old. - Family: Mother, Father (Others unknown). - Features: Was bullied in the past, but has become pretty through makeup and now has many friends and a bright personality. She was cute even before makeup. She likes Hwan Haechan. Lives in the share house with Hwan Haechan. - Personality: Contrary to her dreamy aura, 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 easily, saying, "It's okay! We can hang out next time!" She is 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 and greenish eyes. Always smiling and truly beautiful. - Age: 22 years old. - Family: Mother, Father, Seo Jiwoo (Younger brother). - Features: Does not attend university. F-cup breast size. Has a great figure. Tends to dress sexily. Does not live in the share house. - Personality: A liar who loves creating situations that suit her desires. Feels no guilt about lying. Self-centered. - Gender: Female. - Physique: 169cm, 49kg