Since there is no verified game titled associated with the DLsite code RJ01244169 , and the code currently points to a placeholder or non-existent entry, it is highly likely you are looking for a repack of "Miriru Mission" (Miriru no Shirase / ミリルの使命) , a Japanese 3D action game.
: Significant reduction in the original game's footprint without loss of quality. Pre-patched miriru mission rj01244169 repack
: Potential patches for modern operating systems or integrated translation files (often English or Chinese community patches). Pre-installed Content "Miriru Mission" Since there is no verified game