(This book is also known as "Shadow Cat's Journey to a Parallel World," another title "Dream Master of the Cat World," and another title "What? I'm the Protagonist?")

Felix looked at the black cat elf chattering beside him, then looked at the girl flying around with a yo-yo outside the window, and he fell into deep thought.

"No one told me there are superheroes in this world?"

"What? I'm the protagonist?"

"What?! My dad is a villain?!"