Play もんなしプリンセス（もんプリ）-お気楽放置RPG- on PC Play もんなしプリンセス（もんプリ）-お気楽放置RPG- on PC and Mac

About the Game

In a world turned upside down by a goblin financial conspiracy, a peculiar group of princess knights has decided to fight back. Monster Princess: Poor Knights is a role-playing game built around a satirical premise: goblins have launched their own currency, Gobcoin, and used it to seize control of global economics. The once-wealthy royal families now struggle to make ends meet, and the so-called princess knights, far from being glamorous heroines, are broke, burdened with debt, and scrambling for work. What follows is a story that mixes fantasy action with slapstick comedy, delivering an experience that feels genuinely different from the typical RPG formula.
The story centers on the princess knights taking on various jobs to earn money while simultaneously pushing back against the goblin forces threatening to keep the world under their economic thumb. The narrative is driven by humor and personality rather than grand drama, making it a refreshing change of pace for players who enjoy lighthearted writing alongside their gameplay. The world-building leans into its absurdity with confidence, and the result is a game that never takes itself too seriously while still giving players reasons to stay invested.
Character variety is one of the game's strongest qualities. The current cast includes:
Melrice (voiced by Kosakai Yurie)
Ange (voiced by Shirasuna Saho)
Saya (voiced by Koyama Momoyo)
Mikazuki (voiced by Yuki Chisae)
Cialise (voiced by Ito Ayasa)
Yuurie (voiced by Kubo Yurika)
Naviko (voiced by Hishikawa Kana)
Navio (voiced by Kosaka Tomoya)
Each character comes with their own personality, dedicated story content, and costume options, giving players plenty of reasons to explore beyond the main progression. The voice performances add considerable life to the cast, and the use of Live2D technology gives the characters fluid, expressive animations that hold up well throughout extended play sessions.
On the gameplay side, Monster Princess: Poor Knights is intentionally designed to be low-effort and casual. It supports single-handed play and idle mechanics that allow battles and progress to continue without constant attention. This makes it an excellent game for players who want something engaging but not demanding. The ability to leave the game running unattended means progress accumulates even during breaks, keeping the experience rewarding without requiring a heavy time commitment.
What truly sets the game apart mechanically is its money-focused system. The three named mechanics, Shakkin, Fumitaoshi, and Kanzume, each tie into the broader theme of financial chaos and recovery. These systems add a layer of strategy and comedy to the gameplay loop, reflecting the story's premise in a way that feels cohesive rather than gimmicky. Managing resources, handling debts, and finding creative ways to earn currency all play into the rhythm of progression.
For players enjoying the game through MuMuPlayer on PC, the experience gains added comfort. The idle nature of the game pairs well with a desktop setup, and the larger screen allows players to take in the character art and story scenes with greater clarity. Running the game on an emulator also frees up mobile devices for other uses while keeping progress moving steadily. Overall, Monster Princess: Poor Knights offers a charming, witty, and surprisingly unique take on the RPG genre, wrapped in a comedic premise that carries the game from beginning to end.