Saenai Aosaki-san wa Kyou mo Henshin Suru

Aosaki Rei, a second-year high schooler, is a quiet loner who blends into the background at school… but online, she’s a hugely popular cross-dressing influencer! She enjoys the thrill of being famous in the digital world, until one day, a fan asks to meet in person for a makeup lesson. But when she arrives at the meeting spot, she’s stunned to find that her "fan" is actually the most popular and dazzling guy in her class?

(Source: Manga Park, translated)