Because of one person's boring game and her whim, two of her most important people were involved.
In order to save her best friend, she voluntarily entered that strange fantasy world and possessed a ten-year-old killer? But because of her unique appearance, she is not recognized by the world
Fortunately, he was there, caring for her in every possible way, and promising to come back and marry her in five years, but what would happen in five years? What will change?
With his seductive presence and his evil and charming mask, what kind of man is hidden underneath?
And he gave her the father's love she had never enjoyed before, but because of his father's love, it was the beginning of all the chaos!
Can she find the soul of her best friend who has lost all memory? And after everything happens, can he still leave without any worries?
Time travel is just a game, but in the end, can it really be regarded as just a game?