When they first met, the girl was 8 years old and the boy was 10 years old.
Because of a red rope, we care about each other.
When they met again, the girl was 17 years old and the boy was 19 years old.
Because of a bet, a chase begins.
When they finally met, the woman was 24 years old and the man was 26 years old.
Because of a promise, we will stay together for life.
Concept: Can the promise of youth really last a lifetime?