I'm Saving the World in Comics

Three years ago, a meteorite carrying an alien egg fell and destroyed Itomori Town. Three years later, aliens have multiplied all over the world, and mankind is facing a crisis of extinction. I woke up and found that I had switched bodies with Mitsuha Miyamizu, a female high school student from Itomori Town... The timeline is... Three years ago! Saving the world starts by preventing the meteorite disaster three years ago... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.