Two hundred years have passed since the collapse of civilization due to the abuse of nanobot technology， known as “automatons”. Float， a young engineer from the restored city of Tokyo， visits a ruined town to research automatons where he meets a girl with mysterious powers， Yuka. She asks him to help her to become stronger to fight against the evil scientist Geol and avenge her sister， but the path she takes in doing so is something he never expected…! An original science fiction comic about a girl’s struggle to avoid submitting to fate in a distant world. This text is the English translation of “Tengai no Karon(The Charon at The World’s End)”， originally published in japan 2019. Total story length: 488 pages.