Zenless Zone Zero: The Space Hamster's Leisurely Days

A young man inexplicably transmigrates to the world of Warframe, then, after an accident, transmigrates again to the world of Zenless Zone Zero.

With the help of his Warframe, he becomes a legend on the Inter-Knot.

Known as “Tenno.”

[Transmigration, one female lead (probably, or maybe none), Kamen Rider, Warframe]