(スーパーまものシスターズ) is a stylized 2D side-scrolling action platformer created by the indie circle Shimofumi-ya . Combining nostalgic retro-inspired gameplay with "monster girl" (Mamono) themes, the game follows a young protagonist's journey through a world transformed by supernatural forces. Story and Premise
To understand the game, you must first understand its creators. is a Japanese doujin circle known for pushing the boundaries of 2D fighting game engines. Unlike mainstream developers, Shimofumi-ya focuses heavily on "monster girl" (Mamono) aesthetics, combining classic arcade mechanics with a distinctively irreverent, often ecchi, visual novel-style narrative. Super Mamono Sisters -v1.04- -Shimofumi-ya-
: If a monster girl touches the player character and they are not successfully dodging or rolling, it triggers a "rape" sequence typical of its genre. Super Mamono Sisters -v1.04- -Shimofumi-ya-