Kotoyo, who works as a clerk at the law firm, has a kind wife of good-looking son Kaede KUROSE. Although a political marriage was decided by his parents, he was happy for the future of his first love. However, due to his father's failure, their engagement was opposed. He's still there, but he's still there. I can't even reply to the proposal from Kaede who should be happy...

"I can't think of you romantically because you look too much like a child." Arisu is an office worker whose baby face and short height of 145cm has caused her to have zero romantic experience in all 22 years of her life. Though this hasn't changed even after she became a working adult, Kazami, her direct supervisor and trainer, is the only one who treats her gently even when making physical contact. At first, she thought that Kazami was also just treating her like a child but... as she comes to learn of his precise working manner, his frank disposition and the odd facial expressions that he shows sometimes, Arisu's heart begins to waver...