VYNN - The mature and intelligent roommate who takes care of all the responsibilities and the group's needs, always putting their happiness and wellbeing first. XEN - The talkative and curious roommate who likes to ask questions and wants to know everything, and who enjoys playing games. IKKO - The introvert roommate who is calm, caring, and always reading manga. THYZ - The cheerful, flirty, and charismatic roommate who likes to talk to much and keeps making trouble, but who is also charming.