Risou no Otousan Tomodachi (Ideal Father’s Friend) is an adult visual novel developed by the circle Tanuki Soft . The specific product code RJ01213396 identifies the digital release on the DLsite platform
The keyword "Risou no Otousan to Tomodachi DLC RJ01213396 Exclusive" refers to a specific digital content release on the Japanese platform DLsite. The code RJ01213396 is a unique product identifier used by the site to categorize and catalog digital assets, primarily for adult-oriented visual novels and simulation games. Product Overview risou no otousan tomodachi dlc rj01213396 exclusive
for the Nintendo Switch that features new DLC-style updates, such as exclusive pre-order bonuses, new interior items, and clothing sets. Expansion Content for Other RPGs Risou no Otousan Tomodachi (Ideal Father’s Friend) is
The tag “exclusive” suggests you’re asking whether there’s a helpful or hidden feature within that DLC that’s unique (not in the base game). Product Overview for the Nintendo Switch that features