Synopsis: Fiancés Fall in Love with My Sister.

Ilya is trapped in an endless cycle where the story repeats itself, and she is doomed to the same fate repeatedly. Despite her attempts to avoid it, her future remains inevitable - her fiancé Soleil will fall for her younger sister Sylvia, leaving Ilya alone. Initially, she tried to change his mind, but it only led to resentment, and ignoring their relationship did nothing to shake her own love for him. The emotional bond between the three remains unchanged with each cycle, leaving Ilya with an unwavering love and constant despair, stuck in time as her heart shatters anew each time the cycle repeats.