I don't think it's too surreal, they do have a really close relationship in the side stories on DDLCPlus (Which is also an AU that happend in the game)
Man, I really want to replay DDLC, especially with Plus released. I bought it the day it released but I'm not sure my heart can really handle playing the game again.
Huh. No dramatic zoom out to a coded world, no thousand terrible fates in the background, no "and we'll always be together. Always", or something of the sort? Huh. Nice. I like this a lot.