Why has he, who has been a classmate since childhood, remained single for seventeen years? Finally one day, he figured it out and vowed not to be a single man again. When he made up his mind to pursue a simple girl but failed, he became frustrated and determined to become a bad boy. However, after losing his best friend, he felt more and more hesitant until that day came when he met the girl who confessed to him.
Concept: The happiness of sand sculptures is full of love.