Minayoshi Yuu is trying to help his mother, Minayoshi Touko, who was once a national idol, recover from a strange "ailment." For her, he will do anything, even if it means finding a way to go back in time an...

A gray Earth, where humanity was transformed into deformed beings. The curtains open on an action series where the goal is to recover a lost world, with the help of a strange-looking gun. An enormous solar f...