~= Featuring a cast of colorful residents =~
A so-called steampunk world.
The world has seen massive development thanks to the "Hellings Engine" invented by Ephat Win Hellings.
These are the unique people living in such a world...

Why not interact with them and see if you can become friends?
Known to the townspeople as Milli.
Her hobby is looking at dolls; she loves cute dolls and tiny miniatures.
She isn't book-smart, but she has good natural intuition and can quickly learn and execute what she's told.
Her customer service is bright and cheerful, giving energy to everyone with her smile.
When she fails, she wilts like a withered flower, but she bounces back quickly.
She works at a restaurant named "BOILED HAM" in South London. Closed on Sundays.
Known to the townspeople as Polly.
Well-versed in all things mechanical; she has the intellect and sense to see through and replicate almost any mechanical structure at first sight, let alone steam mechanisms.
Her hobby is, naturally, tinkering with machines, creating things beyond the understanding of ordinary people.
Because she is a genius, she doesn't socialize much, but she is actually an extreme chatterbox. She wants to talk for dozens of hours with anyone who shares her interests.
Her customer service is businesslike, curt, and half-hearted. However, she will jump into any conversation about her hobbies.
Polly's grandfather was one of the key figures of the Fourth Industrial Revolution and is known as the face of engineering.
She runs a repair shop called "REPAIRS" in Southwest London. Due to her high level of skill, customers visit from both home and abroad. Closed on Wednesdays, Saturdays, and Sundays.
Known to the people as "that person."
She takes constant lessons to become a proper noble in the future, and occasionally goes out into the city to look down on others to vent her frustration.
Her hobbies are looking down on people and finding something new.
She has been feeling slightly unwell lately.
Known to the people as Silver.
Serves Copper as a maid... but she seems to be harboring something.
Her hobby is playing various ((pranks)) on Copper while she is asleep.
She can view things from a flat perspective and is extremely logical.
She gives everyone the cold shoulder.
It's best not to let her drink alcohol.
Known to the townspeople as Theodore.
Possesses a mysterious talent for opening wrapping paper or wooden crates in under 5 seconds.
His hobbies are reading novels and strength training; bookshelves and gym equipment take up half of his room, No. 201.
He enjoys working for others, but also enjoys his time thinking alone.
His customer service is personable and leaves a good impression.
Works for the delivery company "KALLY," headquartered in West London.
Also works at the bookstore "℃hemistry" in West London. Closed on Sundays.
Known to the townspeople as Uncle Oli.
He isn't aware of it himself, but he breathes sarcasm like oxygen.
His hobbies are appreciating art and watching mechanical soldiers work while sipping tea.
A former soldier and expert marksman. He retired after taking a bullet to the right shoulder and is now a noble listed among the local landowners.
Known to the townspeople as Robin.
The only individual among the UKS soldiers guarding all of Britain to have developed a sense of self.
The reason for his awakening is rumored to be the sadness of losing comrades or a production error.
His hobbies are cherishing plants and combat training.
The world is boiling like a giant boiler.
Through the inventions of the great Ephat Win Hellings, humanity has attained unprecedented efficiency and prosperity.

Powered by Hellings-style steam engines, everything from airships and motorcars to the soldiers guarding the streets and even household fireplaces runs on steam.
Heavy pistons thrum as they move up and down, and gears mesh together in rhythmic motion.
People have truly achieved a life like a dream.

Release Date 2026.10.30 / Last Updated 2026.10.30