I Transmigrated into Ultraman Tiga, and I'm Daigo's Roommate!

[Ultraman + Begins in the Tiga and Dyna universe + System (support only) + One or no female lead + Personal growth]

Synopsis: My soul ends up in the Tiga and Dyna universe, where my college roommate turns out to be Daigo. One night, while typing away, Jing He suddenly passes out. When he opens his eyes, a sunny, handsome face like a reader’s appears before him. “Holy crap, Daigo!” Wait, how is an ordinary person like me supposed to beat the Gatanothor boss? I was just about to latch onto Tiga for support when I realize I’m a Giant of Light too! Find out how I make up for my childhood regrets and take down Gatanothor on the next page...

A soul-transmigration story set in the vast Ultraman universe, with slow-paced character growth. Each story arc is covered in detail. This isn’t mindless wish fulfillment; it’s simply the story the author wants to tell, with every character brought to life as well as possible.