Atlus has shared lots of information about DLC in Shin Megami Tensei V as well as how New Game Plus works in the Switch RPG.
New Game Plus Features : How to Unlock NG+ Shin Megami Tensei 3: Nocturne (SMT Nocturne)|Game8
DLC Bosses Shin Megami Tensei V (SMT 5)|Game8
Now that SMT V has been out for awhile, what are you're thoughts on the game? : r/Megaten
Shin Megami Tensei V: DLC Bundle
Shin Megami Tensei V Tips Guide - 23 Things the Game Doesn't Tell You
Shin Megami Tensei V - Ending Routes Guide – SAMURAI GAMERS
Shin Megami Tensei V: DLC Bundle
New Game Plus, What Carries Over
Shin Megami Tensei V - IGN
Shin Megami Tensei V: Vengeance Steelbook Launch Edition - Collector's Editions
Digital Deluxe Edition of Shin Megami Tensei V has been detailed. You get access to all DLC. : r/Megaten
Shin Megami Tensei III Nocturne HD Remaster on Steam
Shin Megami Tensei V: Vengeance - Announce Trailer, NSW, PS4/5, Xbox Series One, X
Shin Megami Tensei 5: Vengeance Preorders Are Discounted, Collectible Edition Up For Grabs - GameSpot
Shin Megami Tensei Compendium