[Trigger] + [Another World] + [Monstrous Beasts] + [Kamen Rider] + [The Ultraman Spirit] Yi Xia transmigrates to a despairing Another World filled with Phantom Beasts after a car accident.
Fortunately, Yi Xia gains the powers of Kamen Rider Trigger. He slays evil Phantom Beasts along the way, obtains keys, and eventually transforms into the Ultraman Trigger he has always admired.
However, what he sees at the very heart of the Purification Tower plunges him into endless terror.
It turns out his transmigration was part of a shocking conspiracy...
