hacker's memory Pre-order?

Ok so um for some reason i found this here https://www.walmart.com/ip/Digimon-Story-Cyber-Sleuth-Hacker-s-Memory-PS4/55778884?wmlspartner=wlpa&selectedSellerId=0&adid=22222222227092962503&wmlspartner=wmtlabs&wl0=&wl1=g&wl2=c&wl3=207449709000&wl4=pla-336737772171&wl5=9027669&wl6=&wl7=&wl8=&wl9=pla&wl10=8175035&wl11=online&wl12=55778884&wl13=&veh=sem ( its a walmart.com link) its $49 and it comes out december 1st.... is this official??? also any benefits to pre ordering like on this game?