Play Moon Kingdom Awakening — a browser otome visual novel from the Sailor Moon Simulator world. Awaken as Sailor Moon on one fateful dusk in Juuban, meet Luna the black cat, romance Tuxedo Mask and the Sailor Guardians, and face your first youma. Every scene is written live by an LLM as you play.
Final Product: Moon Kingdom Awakening
Moon Kingdom Awakening is a playable otome visual novel set on one fateful dusk in Juuban, Tokyo. Usagi Tsukino — clumsy, late for everything, secretly dreaming of something more — meets Luna, a black cat with a golden crescent on her forehead, and learns she is Sailor Moon: heir to a fallen Moon Kingdom and champion of love and justice.
Every scene is written live as you play. Talk to Luna, walk the shopping streets, face your first youma — and choose hope over fear. The story, the romance, and the battle for the Silver Crystal all begin tonight.
Play it now: Moon Kingdom Awakening →
Game Features
- Live LLM Narrative — Every scene, every reply, and every character — Usagi, Luna, and the guardians — is written in real time by an LLM as you play. No two awakenings unfold the same (deepseek-chat real-time narrative).
- Otome Romance Routes — Moonlit encounters with Tuxedo Mask and deepening bonds with the Sailor Guardians. Choose who to trust, who to confess to, and who stands beside you when the Dark Kingdom rises.
- Transformation & Battle — Face your first youma on a gold Juuban evening. Find the courage to transform, unleash your first attack, and learn what love and justice really cost.
- Choice-Driven Story — Every glance, every hesitation, every decision sends ripples through the story. From a hesitant first transformation to a full war for the Silver Crystal, the ending is built from your choices.
- Cosmic Lore & Destiny — Reincarnated warriors, a fallen Moon Kingdom, and the Silver Crystal's promise of Crystal Tokyo. The past, the present, and the future of the Moon Kingdom unfold around you.
- Browser Playable — Runs directly in your browser, no download needed. Live LLM dialogue on every page turn.
Character Sprites
Production Process Breakdown
AI receives the prompt "Create a Sailor Moon world with magical girls, Sailor Guardians, cosmic romance, and the battle between love and darkness" and generates the Sailor Moon world — 27 atom cards: characters (8), locations (6), events (6), items (3), factions (4). Each card contains original descriptions, cover art, and interconnections.
AI designs the game from atom cards: writes story rules, designs scene flow, generates all art assets (title background + 5 scene backgrounds) and 7 character sprites. Each sprite was generated with a full-body sprite prompt, then background-removed to transparent PNG via BiRefNet.
Game built and published with one click, instantly shareable online. A live LLM (deepseek-chat) improvises dialogue in each character's voice — Usagi, Luna, and the guardians — as you play.
Scene Backgrounds
Asset Prompts
"16:9 visual novel title background, moonlit Juuban Tokyo rooftops at night, crescent moon glowing soft silver-pink light, pastel magical-girl anime style, soft colored lineart hand-drawn quality, soft pastel palette indigo sky pink haze, empty rooftops no characters no people no text no logo no UI, quiet dark lower third for title overlay, cinematic wide establishing shot, clean detailed environment"
"Full-body visual novel character sprite source for AVG. One young woman standing upright full body head to shoes visible, centered with generous margin. Blonde twin buns odango hairstyle with long dangling locks, blue eyes, soft smile, classic sailor-style school uniform blouse with navy skirt and red bow, white socks brown shoes. Soft colored lineart hand-drawn pastel magical girl anime aesthetic. Plain pure white matte background #ffffff only, no scenery no gradient no checkerboard no text no watermark no frame. Neutral calm expression."
"Full-body visual novel character sprite source for AVG. One magical girl warrior standing upright entire body head to shoes visible, centered generous margin. Blonde twin odango buns, blue eyes, tiara with red gem, white sailor fuku with blue collar red bow, short white gloves, blue skirt, red high-heel boots, moon rod optional small. Soft pastel colored lineart anime. Plain pure white matte background #ffffff. Neutral confident gentle expression. No scenery no text no frame."
"16:9 visual novel scene background only, narrow moonlit Tokyo alley at night, silver moonlight beams, soft pink sparkles of magic in air, brick walls, pastel magical-girl anime soft colored lineart, empty no characters no people no text, mystical transformation atmosphere clean AVG plate"
"16:9 visual novel scene background only, Juuban Tokyo shopping street at golden dusk, Japanese neighborhood storefronts, soft street lamps starting to glow, pastel magical-girl anime style soft colored lineart, warm orange-pink sky fading to indigo, empty street no characters no people no text no UI, clean environment plate for AVG"
Why Choose Neta Studio
Professional — Cloud harness system supports the full workflow from world building to game publishing, all running in the cloud with no local setup. Stable access to the latest models: Claude Opus 5 GPT Image 2 DeepSeek V3
One-click generation — Officially tuned skills drive every step: world building, character design, art generation, game packaging. World fork resource sharing.
Community-first — Users build unlimited worlds, all public worlds can be forked, remixed, reimagined.
Studio Interior
Start Creating
This game was generated by Neta Studio AI from a single sentence. The world took minutes. The game took minutes. You can do it too — adapt this world or start fresh from any IP. No coding required, free to start.