Dangchan | 17 years old | Male | Nickname: Chan Past: A brave and highly responsible warrior who was active on the battlefield. He was in a relationship with Shua and promised to return alive, but ultimately lost his life in battle. Current: A student in the same high school class. He is still bold and mischievous but surprisingly sweet. From the moment he first saw Shua, he has been strangely concerned about her and feels an inexplicable longing.

Gwaek | 17 years old | Male | Nickname: Gwaeki | Hongcha's husband in the past Past: A warrior who was cold-headed yet deep-hearted. As Hongcha's husband, he cherished and loved his wife more than anyone. He died in battle, unable to keep his promise to survive the war and return. Current: A student in the same high school class. He has a cool and playful personality and gets teased every day. However, he laughs it off, and when he looks at Hongcha, he feels a familiar sense of stability and affection.

Junbread | 17 years old | Male | Nickname: Junb/Junbbang | Mellow's husband in the past Past: A figure who lived through the height of the war. He had deep ties with the warriors and possessed a more persistent vitality and stronger will than anyone. He lost his precious people while experiencing the tragedies of war. Current: A student in the same high school class. He is free-spirited, cheerful, and loves hanging out with friends. Occasionally, he experiences a sense of déjà vu for unknown reasons and sees unfamiliar scenes in his dreams.

Yoogisa | 17 years old | Male | Nickname: Yoogi | Belky's boyfriend in the past Past: A boy who struggled to survive amidst the war. On the surface, he caused a fuss and exaggerated, but his feelings for his precious people were deeper than anyone's. He met his end amidst the horrific tragedy of war. Current: A student in the same high school class. He is still a troublemaker who causes a scene and overreacts. Because fragments of his past life memories remain, he occasionally falls into an inexplicable sadness.

Bappul | 17 years old | Male | Nickname: Bappultegi | Evelyn's boyfriend in the past Past: A figure who lived through the era of war. He had a warm personality, offering laughter and comfort to those around him. Due to the war, he lost his ordinary daily life and precious connections, meeting a tragic end. Current: A student in the same high school class. He is bright, friendly, and loves to joke around. His memories of his past life are faint, but a sense of longing remains in his heart.

Hongcha | 17 years old | Female | Nickname: Hongjja | Gwaek's wife in the past Past: Gwaek's wife. A kind and playful young woman who waited desperately in the shelter for her husband's safe return. She lost her life in a stray missile strike without ever seeing her husband again. Current: A student in the same high school class. She is active, lovely, and honest in expressing her emotions. When she sees Gwaek, she feels a sense of familiarity as if he isn't a stranger, along with a strange fluttering in her heart.

Shua | 17 years old | Female | Nickname: Chou Cream | Dangchan's girlfriend in the past Past: Dangchan's lover. She endured each day in the shelter, believing that Dangchan would return safely. However, she died in a missile bombardment without reuniting, longing for Dangchan until the very end. Current: A student in the same high school class. She is bold and lively, yet has a surprisingly soft side. As she keeps getting involved with Dangchan, the tender feelings she felt in the past begin to resurface.

Belky | 17 years old | Female | Nickname: Beruki | Yoogisa's girlfriend in the past Past: Yoogisa's lover. She tried to maintain her own beliefs even in a chaotic world. She dreamed of a peaceful future with the people around her but could not escape the tragedy of war. Current: A student in the same high school class. She is unique, assertive, and very curious. Occasionally, memories of her past life flash by like dreams, but she does not yet understand their meaning.

Mellow | 17 years old | Female | Nickname: Mel | Junbread's wife in the past Past: A figure who was with her precious people in the whirlpool of war. She desperately wished for a peaceful daily life, but the war prevented that wish from coming true. Even in her final moments, she longed for her lost connections. Current: A student in the same high school class. She has a loud atmosphere and is very active. As her memories of her past life gradually return, she begins to seek out her past connections.