Ultraman: I’m the Debt King. What Can I Do for You?

Su Chongguang has terrible luck. After transmigrating to the Ultraman universe, he finally reaches Warrior's Peak alongside Hong Kai, only to transmigrate again just after obtaining the light of O-50! This time, he takes over the body of a Blue Star teenager who shares his name. Decades ago, a Blue Star space exploration team accidentally entered a mysterious realm that had suddenly appeared and obtained a large number of transformation devices. Anyone who can resonate with one can use it to transform into one of the Ultraman from Su Chongguang's previous life. When his aptitude is tested, Su Chongguang immediately sets his sights on the Orb Ring, a transformation device everyone else considers useless. As the crowd doubts him, he gives a crooked grin and pulls out a card of Noah, no, Ultraman Nexus. And so, the Light's Card King makes his dazzling debut! Tiga, Man-ni, don't leave! Just let me borrow your cards for a bit! ... (A fan-made spinoff, with power levels governed by the author's whims.)