Knight: His Family Was Bullied and He Transformed into the Purple Lantern Emperor Cavalry

In this parallel world where weirdos really exist and some humans can awaken as Kamen Riders, Ye Tianyu's family of four are all ordinary people who failed to awaken as Kamen Riders. However, even as ordinary people, in this dangerous world, they all work hard to live well in their own way. However, one day, my father, mother, and sister ran into trouble one after another and were bullied. Ye Tianyu was very angry, and in a rage, he activated the [Destroyer of the World] system! He transformed into the Purple Lantern Emperor Cavalry and killed all those who bullied his family! Later, Ye Tianyu obtained the heaven-defying props from the system. After he used it on his parents and sister, the three family members who had failed to awaken as Kamen Riders actually reawakened into Kamen Rider form!