Ore no Joushi ga Wakagaeccha Imashita.

作品概要

His stern, strait-laced boss has suddenly become a little kid?! Soon after starting his job at a realty office, Shimizu discovered that the infamously unfriendly boss Mr. Ueno actually did pay careful attention to his employees. Since then, Shimizu has been unbearably fascinated with the man, and yet equally unable to grow any closer to him. When he idly makes a wish on a meteor shower one night, and Mr. Ueno calls in sick the next day, Shimizu goes to check in on him only to find out that his boss has somehow turned into a preschool-aged boy...?! This romantic comedy starring a big puppy of a realtor and his surly but earnest boss will cleanse your soul with its pure sweetness (Source: MangaPlaza) Note: Includes 1 extra chapter.

來源: AniList