A preschool teacher, reunites with a boy who once proposed to her. Now, he’s back to sweep her off her feet!

I’m here for you, just like I promised.” One day, Yuki Sena, a stunningly handsome 20-year-old man with a delinquent-like appearance, comes across Tsumugi Hidaka, a 33-year-old teacher who works at a nursery school. He was the same boy who once proposed to her with a heartfelt “Will you marry me?” back when Tsumugi was a high school student working part-time at his nursery school. It turns out that he truly believed she would become his bride one day...! From that day on, Yuki begins a relentless (and slightly misguided) romantic pursuit of Tsumugi! Will this pure-hearted, age-gap love story culminate in a happy ending?! Enjoy this earnest age-gap romantic comedy!