異世界で転性するなんて聞いてない！～キラキラ女子を目指していたのに王子の右腕になりました!?～

Synopsis

"We've switched places!" Ichika, a high school girl aspiring to become a female announcer, and her twin brother Kotaro, whose heart is that of a maiden but whose body is that of a high school boy, are in the midst of a sibling quarrel when they are run over by a truck and reincarnated in a different world. Surprisingly, their hearts and bodies have been swapped... Ichika, who desperately wants to return to her original world and become a female announcer, and Kotaro, who wants to live as a woman in the different world, get caught up in a messy struggle for the throne and a palace romance...!?