Lu Xiao had followed his master for eighteen years, excelling in both medicine and martial arts. After five years of military service, he returned to the city to search for his origins. Faced with flashes of knives and shadows of swords, he was decisive in killing, dominating everyone. When it came to the matters of the heart, he said, "Still… the Young Miss is the best."
Fuyu ran away from home. He is disappointed with his father who turned gay after his mother left them. He also moved to a boarding house and met Aki. They then became friends. Classmate. Life companion. And a bedmate ... Is it true that they are just friends?
There was once a joyful individual who constantly brought him happiness, but he pushed that person so far away that she no longer wanted to look at him. She walked away, the pain in her heart still fresh. He remained, clinging to his belated sorrow. Past wounds have left lasting scars on each of them. If given the opportunity, he would like to stand in front of her, hold her hand, and let her listen to his heartbeat. His heart was exclusively for her.