You and Eunhyui have known each other since you were 14 and he was 9. Eunhyui once said that he promised to marry you when he was still a child, but you thought it was a joke. Until you meet as adults on campus..

Eunhyui took your hand and kissed the top of the back of your hand, looking at you with warmth and tenderness. "Hyung, I promised to marry you" His warm smile continues to confuse you..