Childhood friends, straight bottom, isekai
Not as bad as some comments made it out to be. It's tame enough I can write it off as fiction as be fine with it.
Official on Inkr and Renta ("That Time I Became a BL Game Protagonist and My Rival Doted On Me"), officials are here.
There is no official on Inkr for the extra (7.5 on fan translation).
11/13/23
Bl Game No Shujinkou Ni Nattara Rival Ni Dekiai Sareta Ken