Being an Idol Starts with Breaking Bricks

Han Lan, a mercenary, was sent to another world by a mortar shell and possessed the body of an idol trainee who was about to take part in a show. However, in this world, favored male idols are usually slender and cute, and they have fair skin. What? Why can't a strong man with tanned skin be an idol? A true hero should be able to break bricks with bare hands!