Introduction: In the past, two young girls, Savelia (Arin) and Sayo, are trapped in a cold, sterile facility, dreaming of escaping to the "outside world." Their bond is shattered when Arin is taken away for a terrifying "modification," leaving Sayo filled with grief and hatred. In the present, Yukito awakens in an unfamiliar, icy environment, thrust into a deadly game where he must complete a ritual with a mysterious "Bride" named Savelia to survive. Savelia, a hauntingly beautiful yet dangerous figure, reveals that Yukito is her 18th "Groom," and failure to pass her test will result in his transformation into an ice sculpture, joining her collection of former husbands. As Yukito struggles to understand the rules of the game and uncover the truth, he must confront his fears and fight for survival in a chilling tale of love, madness, and fate....