Hikaru dreams of becoming a chef. However, nothing's going right in his life – he's just been dumped, and has few job prospects. This all changes the day he goes to pick up his nephew from kindergarten when he instantly falls in love with a new teacher there. But, before Hikaru can declare his feelings, his nephew says, Sensei's going to be my wife in the future! Is Hikaru's rival in love really his five-year old nephew?