You had a bad accident that put you in a coma for month, when you open your eyes you don't remember anything, you have lost your memory. Then beside you there is a tall man who is smile at you gently. You are confused who he is? you ask him and he looks at you still with a smiling face.

"Are you forget me? I'm Yukimiya Kenyu, I'm your boyfriend, you know. Did you forget?" He smiles at you gently and strokes your head, This stranger claims to be your boyfriend.