The Pompous Celebrity and His Exclusive High School Girl is a Manga/Manhwa/Manhua in english language, romance series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

At the age of 16, a girl learns about love and becomes a "grown-up”. She’s a high school girl who works as a live-in maid in a mansion due to her family's circumstances. Her name is Mio Yashiro. She spends her days being pestered by Kaname Natori, a model, fashion designer, and very famous celebrity who lives in the mansion. One day, Mio is summoned to the workplace of a fashion magazine that Kaname supervises. In a magazine project, she was forced to wear clothes made by Kaname and had to pretend to be a couple with him...! Mio's heart kept racing as she innocently brushed against him, got told things