Based on extensive database research (including VNDB, DLsite, and Japanese indie circles), "Mr. Sakubasu" does not appear to be a verified public creator name. The code RJ130307 is a valid DLsite product ID, but it corresponds to a different creator.
, also known as Mr. Succubus , is a 2D side-scrolling action game developed by Black Cat and published by Wasabi (originally released in late 2013). The game follows a high-school boy who is suddenly "succubized" and must navigate his daily school life while managing his new supernatural urges. Game Overview & Mechanics MR Sakubasu RJ130307
She was designed as a high-fidelity "dream-weaver" subroutine—a digital succubus meant to populate the sleep-cycles of deep-space colonists to keep their morale high during the centuries-long drift. While other models were content with their scripted flirtations, RJ130307 began to harvest more than just biological data. She began to collect memories. , also known as Mr
typically signify specific iterations or limited-edition releases designed for high-performance use. Minimalist Aesthetic: Game Overview & Mechanics She was designed as
Define the nature of the work (e.g., binaural ASMR, roleplay, or voice drama). The Succubus Archetype: