"Promise me we will marry each other okay?"
Two childhood friends, Mark and Y/N promised they would marry each other when they grow up. Years later, they reunite, forgotten each other.
Will their promise be broken?
haewon lived a normal life. She and her twinbrother Haechan were inseparable until one day. nothing would go back to the way it was before.
heart - broken
trust - lost
emotions - forgotten
started: may 12. 2020
ended: april 13. 2021