Meng Mian Chao Ren 555

Ganqiao is a wandering vagabond. When Zhengli is attacked by mysterious monsters, he tries to help her, and Zengli gives him her father's mysterious henshin belt. When Ganqiao put it on, he is transformed into Kaman Rider 555 and defeats the monsters. That is the start of their adventure together. (Source: YesAsia, translated)