Yandere x Otome x Mystery!!
You are a detective who has just moved to a new town. You are involved in a serial killer case, and three mysterious residents (Or more?!) are approaching you!
Don't trust anyone! But... can you?
Game features
♥Dive into a captivating world with centered around charming yandere characters!
♥ Experience a fully voiced story stunning CGs and unique endings to unlock!
♥ Indulge in a heartwarming story where you’re showered with love and attention from every character!
♥ Feel the 100% suspense as you navigate romance while unraveling deep mysteries!
♥ Each character boasts their own quirks, with some being non-human, perfectly catering to your wildest fantasies!
♥ Engage in investigative gameplay that lets you step into the shoes of a detective.
♥ Experience a unique otome game infused with thrilling Cthulhu elements!
Character info
Originally working as a detective at the Clark's Detective Agency in the city, she temporarily moved to Usodar town due to a sudden and mysterious commission. She has a cheerful and kind personality, with strong powers of observation and intuition.
She have a difficult childhood shadow that cannot be erased.
CV: Nick Chang
A resident of Usodar Town. He is the new landlord of MC and runs a pet café downstairs from her office. He is a gentle big brother next door, and makes world-class delicious coffee.
While taking great care of MC, he is always the first to come to her aid whenever she's in danger.
It seems that he knows everything about MC, even to the point of being a little obsessive.
CV: John Patneaude
A spy investigator who came from out of town a few months ago.
Exuding an air of idleness and nonchalance. He quickly won over the hearts of the locals with his charming demeanor and warm personality. Little did they know, he had a hidden agenda. It seems that a certain trait of MC has caught his attention, and he keeps watching her like a hawk.
No prey can ever escape from him.
CV: Corey Wilder
A resident of Usodar town. He claims to be a chemist, but his identity and occupation are mysterious.
For some reason, he had almost no contact with anyone until he met the Mc, who had just arrived in town. The Mc has turned his life upside down. He has a love-and-hate relationship feeling on Mc.
CV: Logan Fletcher
MC’s childhood friend. He is another detective at the Clark’s Detective Agency who is absent 80% of the time as a phantom employee, but always manages to complete assignments very quickly. He is an excellent detective, although his background is a mystery.
Despite often ignoring MC, he actually cares about her a lot.
CV: Harold Ingram
He is the lead vocalist of the famous indie heavy metal band SOUL with a lively and energetic personality.
He often sticks to MC and flirts with her, craving her attention.
Although he appears to have a good relationship with Dane, the two seem to have some resentment towards each other in private.
CV: Brandon P Jenkins
The owner of Clark's Detective Agency and MC's boss. He used to be a police officer and promised to help MC investigate the reason behind her parents' murder, secretly protecting MC all along.
He has known Dane for a long time.
On the surface, he seems unreliable, but in reality, he is very serious and will stop at nothing to achieve his goals.
Hello everyone! Im Rice, and I wish you all a Happy New Year!
[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/44907342/3411fa02bc41557e0dd5ccb8aa3580c5c07b22cb.jpg\"][/img]
Time flies, and it\'s been over a month since Heart Cage was released. Thank you all for your support and affection! I\'m really happy to see everyone\'s feedback, especially the long reflections and beautiful fan art. Every review and fan art motivates me to keep creating <3
Since I completed the game all by myself, there are many areas that may not be perfect. I appreciate everyone\'s understanding. I will work hard to improve and provide you with a better gaming experience in the future!
About the DLC
After the game was released, I unfortunately fell seriously ill (I have now recovered!), so the previously promised side story DLC and digital Artbook planned for December will be delayed. Im truly sorry! I will rush to release them as soon as possible!
To avoid any confusion, here are the future DLCs that are confirmed to be released:
[olist](Free, includes NSFW content) Clark Route (to be released in Q2 2026)
[/*](Paid, includes NSFW content) Before the War (a short story from the perspectives of the six male characters, already released on itch; the Steam version will undergo some minor changes, planned for release in January-February)
[/*](Paid, includes NSFW content) Inside (a short story from the perspectives of the six male characters + birthday calls, planned for release in January-February)
[/*](Paid, includes NSFW content) Digital Artbook
[/*](Paid) Original Soundtrack
[/*][/olist]Additionally, due to Ns unexpected popularity, I am actively considering creating his route, which will definitely include Enox in his route!
Furthermore, I also hope to create a DLC featuring sweet dates with the love interests, but I will announce the detailed dates later!
About the physical merchandise
Regarding physical merchandise sales, I will soon be selling them on Patreon and Ko-fi! I will notify everyone on X, Discord, Patreon, and Steam when the time comes! (Patrons will get discount!)
Some little peeks...
Here is a little sneak peek of Clark\'s route CG!
[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/44907342/05d7fc873c70e45ae719049d56ab075e73cf9e45.png\"][/img]
And a moment of harmony between Dane and G# during university
[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/44907342/613ed3183701acef165d0514127534d20e8a9d48.jpg\"][/img]
Lastly, I hope Heart Cage brings you all love and joy in 2025, and I look forward to continuing to accompany you in 2026!
Wishing everyone a happy and smooth 2026!
If you want to support me, you can subscribe to my Patreon: https://www.patreon.com/c/ricelovecoffee
I will regularly update the latest game content there!
You are also welcome to join my Discord: https://discord.gg/fwMrJKc4cK
Minimum Setup
- OS: Ubuntu 16.04+
- Processor: 2.0 GHz Core 2 DuoMemory: 2 GB RAM
- Memory: 2 GB RAM
- Graphics: OpenGL 3.0
- Storage: 1 GB available space
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