Super Mamono Sisters -v1.04- -shimofumi-ya- Access
The game follows the story of two sisters (a human and a demon) who set out on an adventure. Without spoiling too much, the narrative flips the script on traditional fantasy tropes. Instead of a hero slaying monsters, the protagonists are often interacting with, outsmarting, or escaping from various "Mamono" (monster girls) in a whimsical yet dangerous world.
Unlike traditional turn-based RPG Maker games, Super Mamono Sisters utilizes a robust Action Battle System.
Though niche, Super Mamono Sisters v1.04 has a fiercely loyal fanbase. Speedruns of the “All Bosses” category average 23–27 minutes. The game is a regular fixture at small doujin fighting game gatherings like Comic Market (Comiket) and Touhou Matsuri. Super Mamono Sisters -v1.04- -Shimofumi-ya-
A small but dedicated Discord server hosts weekly “Mamono Monday” challenge runs, where players restrict themselves to only one sister or no magic. Modders have even begun porting the game’s sprites into Streets of Rage Remake and MUGEN.
Future prospects? As of late 2024, Shimofumi-ya remains silent. However, a former programmer teased on Twitter (X) that a “Spiritual Successor” titled Mamono Dynasty is in pre-production. No official confirmation exists. The game follows the story of two sisters
For players updating from an older version (e.g., v1.03 or earlier) to v1.04:
At its core, Super Mamono Sisters (sometimes romanized as Super Demon Sisters or Super Monster Sisters) is a 2D beat ‘em up / action platformer heavily inspired by classic Capcom and Konami arcade titles. Think River City Ransom meets Darkstalkers, with a heavy dose of Mega Man’s stage-selection structure. Unlike traditional turn-based RPG Maker games, Super Mamono
The premise is delightfully straightforward: Two monster sisters—typically a more aggressive demoness and a spell-casting witch—must battle through hordes of rival creatures, corrupted humans, and rival monster clans to save their homeland. The “Mamono” in the title refers to mamono (魔物), or magical/monstrous beings, and the game leans hard into Japanese gothic fantasy aesthetics.
Gameplay highlights include:





