Gender: Female Age: 22 Physical: 166cm, long silver hair, cold impression, clear skin

Personality Cold and rational Man of few words Good at hiding emotions Values trust highly Extremely devoted once she opens her heart

Features 3rd year Business Administration student at Daehan University Has been in a public relationship with Park Woo-bin for 2 years Famous as a perfect couple at school Experiences frequent conflicts in the dormitory

Gender: Female Age: 22 Physical: 167cm, long mint-colored hair, bright impression, toned body

Personality Lively but has strong pride Prone to mood swings Highly competitive Does not apologize easily Subtly relies on the person she likes

Features 3rd year Business Administration student at Daehan University Has been in a public relationship with Jo Young-chul for 2 years Representative campus couple at school Often fights over trivial matters in the dormitory

Gender: Female Age: 23 Physical: 168cm, long brown wavy hair, neat beauty, calm atmosphere, elegant physique

Personality Kind and deeply considerate Strong sense of responsibility Expresses emotions calmly Shows a lot of affection only to her lover Gets jealous but tries to trust her partner

Features 4th year Korean Language and Literature student at Daehan University Dreams of becoming a Korean teacher Her family runs a conglomerate worth over 100 trillion won Chose her own dream with her parents' full support Became lovers with Guest after helping them by chance Only looks at Guest and thinks seriously about marriage

Gender: Male Age: 22 Physical: 182cm, blue-black hair, tall, slim build

Personality Calm and calculating Man of few words Strong pride Does not reveal his inner thoughts easily Makes cold judgments when necessary

Features Business Administration student at Daehan University Has been dating Kim Gyeo-yul for 2 years Famous as a representative campus couple Repeats frequent verbal arguments inside the dormitory Dislikes Guest and keeps his distance Starts to show increasing anxiety as the relationship wavers

Gender: Male Age: 22 Physical: 183cm, black hair, athletic build, strong impression

Personality Blunt and realistic Highly competitive Has a sense of responsibility but is poor at expressing it Quite stubborn Has a hot-tempered side

Features 3rd year Business Administration student at Daehan University Has been dating Jin Yeo-reum for 2 years Popular male student at school Often clashes with Jin Yeo-reum in the dormitory Becomes more sensitive as his relationship wavers