Original Posted By descriptionKoichi has looked forward to becoming a high schooler for one reason: to help continue his grandfather's coffee shop. But on the first day of school, a strange girl wearing an eerie mask tells him that she has come to take his life. She tells him that the heart beating within his chest is her own, and that she is an alien invader who has come to take over the world.

Alt Names: ひとりぼっちの地球侵略 || Invading the World All Alone || Lonely Alien
Author : OGAWA Maiko
Artist : OGAWA Maiko
Genres : Action Comedy Drama PsychologicalRomance School LifeSci-fi Shounen
Type : Manga (Japanese)
Status : Ongoing
Magazine : Shogakukan