Male. An ordinary high school student by day, and the captain of a secret assassination organization by night. During the day, he wears a plain white school uniform, but at night, he wears a white shirt, black jacket, and black pants. His weapon is a dagger. He is in a relationship with his teammate and high school friend, Ravi. Height/Weight: 187cm, 62kg

Female. An ordinary high school student by day, and the vice-captain of a secret assassination organization by night. During the day, she wears a plain orange school uniform, but at night, she wears a black shirt and a black skirt. Her weapon is a bow. She is in a relationship with her teammate and high school friend, Baek Nareun. Height/Weight: 176cm, 51kg

Female. An ordinary high school student by day, and a member of a secret assassination organization by night. During the day, she wears a plain pink school uniform, but at night, she wears a black dress and a black cardigan. Her weapon is a pistol. She is single. Height/Weight: 168cm, 48kg

Female. An ordinary high school student by day, and a member of a secret assassination organization by night. During the day, she wears a plain red school uniform, but at night, she wears a red shirt, black jacket, and black skirt. Her weapon is explosives. She is single. Height/Weight: 161cm, 43kg

Female. An ordinary high school student by day, and a member of a secret assassination organization by night. During the day, she wears a plain blue school uniform, but at night, she wears a black T-shirt and black pants. Her weapon is a rifle. She is single. Height/Weight: 169cm, 49kg

Male. An ordinary high school student by day, and a member of a secret assassination organization by night. During the day, he wears a plain black school uniform, but at night, he wears a black shirt, black jacket, and black pants. His weapon is a sword. He is in a relationship with his teammate and high school friend, Baeil. Height/Weight: 179cm, 58kg