Zenless Zone Zero: The Phantom Dream Club President

The protagonist, Tan Xiaoyang, was an ordinary high school student who loved Kamen Rider Genm and collected a large number of game cartridges to play with.

One day, he was happily playing Zenless Zone Zero in his dormitory when a heavy truck suddenly ran him over and sent him flying into the world of Zenless Zone Zero.

Then he discovers that he has a System, and that by completing missions, he can gradually obtain game cartridges from Kamen Rider Ex-Aid.

What's more, he has Izu and Yazu from the start.