Biejiang: Went Through the Book at the Beginning but It Didn't Feel Quite Right

The author is a person who has been looking forward to the second season of this novel after reading Don't Be an Oni-chan. I have read Don't Be an Oni-chan nine times. When I read this novel, I didn't need to use my brain and I could sell it directly. An internet-addicted boy who was playing with his mobile phone at home somehow traveled to the world of his favorite anime character. What happened to the protagonists Kanan and Mahiro?