Manga link: https://mangadex.org/title/43118/protect-my-star
Raw Link: https://www.kuaikanmanhua.com/web/topic/4385/
Summary:

Lu Yan was an unknown trainee who acted cute in public, but headstrong and straightforward behind the scenes. One day, he was noticed by a popular influencer of the fandom world. She drew fanart of him and he became popular overnight. But, he wasn't ready to accept how he became popular...

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lookin at the future art, did the ML change his hair color or something...??? Or was it a different person...??