My Favorite Idol is a Manga/Manhwa/Manhua in english language, Drama 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

The bodies of the top idol and a school outcast are switched?! A school outcast who is always bullied everyday, Hong Jooa. A top idol who is loved by the whole nation, Go Yohan. Jooa, who envies the life of her beloved idol, and Yohan, who envies the simple and free life of an ordinary person. While they yearned for each other’s lives, their bodies were switched one day!? A spectacular body-switch romance, My Favorite Idol!