In a world where genetically modified beings known as kimyohas have overthrown humanity and imposed a ruthless hierarchy, hope feels like a luxury out of reach. These creatures, gifted with extraordinary powers, rule with absolute dominance.
Yorokobi Kasuke, a young boy living in the city of Montreal, one day discovers that he is an Infinity Star—a rare and legendary being capable of challenging the kimyohas with powers beyond comprehension. Joined by a group of powerful and diverse allies, Yorokobi embarks on a perilous quest to overthrow the established order.