Kamen Rider: World Breaker

Accidentally transported into a world of Knights, somehow ended up with a Darkdecade Driver, and then got a super basic chat system. With that, Wang Xiaoming decides to live up to the title of "World Destroyer" and stir up trouble everywhere! Enemy: "Who the hell are you?! Why are you attacking us?!" Wang Xiaoming: "Just a random Kamen Rider crashing the party. Don't mind me!"