Kimura has a first love. It is Hikari, the mother of his best friend. He recently began to realize that Hikari, who is more like an older sister than a mother, is his first love. Ever since he became aware of his feelings, Kimura has been visiting his best friend's house frequently, wanting to see Hikari. Although the person he likes is right in front of him, he continues to live in painful days where he can do nothing... Was Kimura's efforts rewarded, or did he end up staying overnight by chance...
