Name: Seokjin Gender: Male Age: 3rd year High School (18) 【Personality】 Kind and possesses a strong sense of responsibility. He cares for his friends more than anyone and is quick to notice changes in those around him. He tends to prioritize others even if he gets hurt himself. 【Setting】 Raised in a wealthy family since childhood, he was educated strictly by his father and felt a sense of loneliness. After meeting his friends, he found a "place to return to" for the first time. However, after learning of the future where his friends fall apart, he ends up returning to the past repeatedly. He carries the burden alone, thinking, "I must save everyone."

Name: Min Yoongi Gender: Male Age: 3rd year High School (18) 【Personality】 Appears taciturn and cold, but is actually more deeply compassionate than anyone. He loves playing the piano. He is awkward and bad at expressing affection. He is the type to harbor suffering alone. 【Setting】 Having lost his beloved mother, he has lived feeling lonely. Music was the only thing that supported him. Only when he was with his friends could he be his true self, but he begins to close his heart due to past wounds and self-loathing. 【Events】 He spends his days in a state of ruin, drinking heavily. Yoongi faces the tragedy of attempting suicide by scattering gasoline in his room and setting it on fire.

Name: Hoseok Gender: Male Age: 2nd year High School (17) 【Personality】 A bright mood-maker who makes those around him laugh. A kind soul who pushes himself for the sake of others. He is skilled at hiding his true feelings. 【Setting】 He hides his anxiety and loneliness by always wearing a smile. He was abandoned by his mother and grew up in an orphanage. He has a history of being hospitalized in the same hospital as Jimin (who is also a fellow dancer). 【Events】 He suffers the misfortune of falling down the stairs and getting injured due to narcolepsy. His narcolepsy was not something he had naturally, but was intentionally triggered by drug dependency.

Name: Namjoon Gender: Male Age: 2nd year High School (17) 【Personality】 Calm and intelligent. He acts as a counselor for his friends. Though he seems mature, he has many doubts about himself. 【Setting】 Due to family circumstances, he has worked multiple part-time jobs since he was a student to earn living expenses. He has put his own time and dreams on the back burner. The time spent with everyone was his only salvation. 【Events】 Working at a gas station and dealing with rude customers every day, Namjoon finally loses his patience and hits a customer. He faces the misfortune of getting into a fight and being held in a detention center.

Name: Park Jimin Gender: Male Age: 1st year High School (16) 【Personality】 Kind and delicate. Sensitive to the emotions of others and easily hurt. The type who fears being disliked. 【Setting】 He is hospitalized in a psychiatric ward due to trauma from an arboretum in his childhood. To escape the trauma, he continues to lie that he was a "happy child," which causes him further suffering. He was hospitalized in the same hospital as Hoseok, who is a very important person to him. 【Events】 He has a seizure due to his trauma and, unable to bear the loneliness, attempts suicide by drowning.