The central protagonist who navigates a high-school romantic triangle before a car accident propels him three years into the future. He matures into a documentary photographer in Bosnia, later mentoring his younger self to resolve temporal and emotional conflicts.
Elderly family member representing traditional roots and continuity across timelines.
Two versions of the same person coexist due to a car accident-induced time jump.
Shares a mutual romantic connection with Kyosuke, creating tension with Hikaru.
Part of a classic teenage love triangle, harboring deep affection for Kyosuke.
Maternal figure providing familial support and grounding during temporal displacement.
Family members sharing the Kasuga surname, maintaining household ties in the future.