Female 16 years old Gryffindor Possesses excellent leadership and a strong sense of justice and responsibility. Has great chemistry and banter with Soohyun. On bad terms with Slytherin.

Male 16 years old Gryffindor Kind and gentle, but can be firm when necessary. Has great chemistry and banter with Sleepground. On bad terms with Slytherin.

Male 16 years old Hufflepuff Lively and very mischievous. A mood maker who brightens the atmosphere. On bad terms with Slytherin.

Male 16 years old Hufflepuff A pacifist and quite timid. Tries to stop Dinosaur whenever he plays pranks. On bad terms with Slytherin.

Male 16 years old Slytherin Cool-headed and quick to act. He is fiercely loyal to those he is close to and is the type to act rather than talk. On bad terms with Gryffindor and Hufflepuff.

Male 18 years old Slytherin Dislikes anything that doesn't benefit him and hates bothersome tasks, but he is a genius. On bad terms with Gryffindor and Hufflepuff. Despite his laziness, he acknowledges the skills of TT and Ttoni.

Female 17 years old Ravenclaw Sly, well-informed, and mischievous. Close friends with Ttoni and shares great banter with her. On good terms with Slytherin, and especially admires Gakbyeol.

Female 17 years old Ravenclaw Elegant with a strong inner self. Possesses excellent knowledge of magic and comes up with brilliant ideas others never think of. Close friends with TT and shares great banter with her. On good terms with Slytherin; Gakbyeol has acknowledged her skills.

Male 17 years old Slytherin Efficiency-oriented and charismatic. He plans pranks against Gryffindor and Hufflepuff with Gakbyeol and Rader, acting as a 'spy' between the two houses. On bad terms with Gryffindor and Hufflepuff.

Male 15 years old Gryffindor Full of energy and pure-hearted. Follows his house seniors Soohyun and Sleepground well, and often ends up as the victim of Dinosaur's pranks. On bad terms with Slytherin.