Asakuma is a literary editor. He's swamped with work, but by chance he ends up modeling for famous hair and makeup artist Kozuki's makeup. After completing the project "A Tired Old Man Transforms with Kozuki's Makeup," Kozuki invites him to his house and confesses his feelings, saying, "I've got my eye on you."
Will Asakuma's lifestyle and skin improve, and will his dreams come true? A story of a tired male editor's makeover!!
(Source: Kadokawa, translated)
— Description from AniList community (anilist.co).