
well first of all he won a wish bc of her sister so it's normal to use that wish to remember her. he did ask to return his sister but since it can't be done...
so i dont think it's absurd especially if he's really close to her
beside he might have already had enough money and job and not interested in romance. also that's just selfish to use that wish for only himself

that's one way to do it. they also can embellish that the novel was very important to his sister, and how it's not enough to just read the novel irl without living in it
that way more readers will understand where it came from.
however i think some stories will not write gloomy details to make the story lighter if that's the vibe they tried to which i think they did
so readers will only have good and exciting memory while reading
That's the dumbest decision you could have ever made
Bro could have chosen to be happy, find a perfect partner, money, idk anything. But to be in a novel you don't know anything about??? Really???