Starting Today, I'm a Two-Dimensional Character

(Crossover + Not a harem)

An ordinary young man, bored with his current life, one day receives an invitation from an unknown place:

"One: Are you tired of your current life and feel that you don't belong in this world? (Yes/No)

Two: Are you willing to give up everything you have now and begin a new journey through life? (Yes/No)

Three: Your new name is: "

Looking at the three questions on the sheet of paper, which felt remarkably smooth to the touch, the young man said, "If a world like that really exists, I'd love to see it." Then he picked up his pen...