: This is likely a truncated RJ-code (e.g., RJ010xxxxx), a unique identifier used by the Japanese digital marketplace DLsite to track specific works like ASMR audio, voice dramas, or indie games.
: A community forum often used for tracking community-made English translations or "Eng" features for games that lack an official localization. eng living with lolibaba motherinlaw rj010 link
: