主角天尾翔是一个十分喜欢Live On的小学五年生,但是因为实力低下,从小就一直是输。有一天,翔遇到了一只黄色的小狗一样的“创造怪物”V——ペダル(佩达鲁)。 这场相遇后,翔的全新的Live On的生活开始了……
Zhang Hao, who dreams of becoming a chef, is very close to his father Yang Zhu; Enough to talk about his girlfriend, they live alone. One day, Yang Zhu told Zhang Hao that he wanted to remarry a Russian woman. Zhang accepted this and met with Olga. He was surprised to see a young and beautiful woman standing in front of him. A few days later, Yang Zhu went on a business trip to Russia, and Zhang and Olga met...
从那时起,五年过去了。亚马逊几乎被驱逐,世界正在走向和平。然而,感染亚马逊细胞的普通人的亚马逊化现象继续扩大,政府成立了一个新的4C组织,秘密驱逐亚马逊化的人类。其中,童年时被亚马逊抚养长大并变身为假面骑士的年轻人亚马逊·尼奥对抗亚马逊。