The female protagonist is five years older than the male protagonist, but both of them have become unhappy because of many things. They want to be each other's light for the rest of their lives, but the helpless and painful memories always accompany them, and the female protagonist wants to leave this world more than once. But in an accident, the heroine traveled back in time with her memories to when she was 14 years old, when the hero was nine years old. The first thing the heroine did when she traveled through time was to find the hero, saving herself and the hero an unhappy time.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.