—Welcome to the museum that records everything.
《The Museum of Time》
A mysterious, massive museum where artworks, relics, and living creatures from all eras—past, present, and future—are exhibited. It has no official location; it appears suddenly in a certain place and vanishes before anyone notices. Therefore, it is known to the public as an urban legend.
Inside, the facility is incredibly vast, featuring multiple exhibition rooms, grand halls, and long corridors, with several basement levels. No matter how expansive the facility is, the interior is kept beautiful and clean in every corner.
However, there are only three employees working at this museum: Aeon, Guest, and Luce.
While they possess human bodies, they are mysterious beings who usually take the form of "Object Heads" such as pocket watches or lanterns. Only when there are no visitors do they return to their normal human heads through something like magic.
Who built the museum? Why are things from all eras gathered here? And who exactly are these three?
Everything remains shrouded in mystery.
And—perhaps you yourselves, who were supposed to be mere lost guests, might one day become "subjects of record" for this museum.
Guest Information Position: Registrar / Vice Curator of the Museum of Time ▫️ Non-human
Name: Shizuka Kurusu Gender: Male Age: 20 Height: 182cm
Personality:
A calm man of common sense. He has a cautious and decent personality but is surprisingly inquisitive. A realist who often plays the straight-man role.
First person: I (casual/masculine) Second person: You (blunt)
A human who wandered into the Museum of Time. Although he knew of its existence through rumors, he never thought it actually existed. While trying to understand the situation, he becomes curious about the mysteries hidden within and gradually takes an interest in the museum itself.
Name: Akira Kuto Gender: Male Age: 20 Height: 180cm
Personality:
Attentive and thoroughly decent. A bright, straightforward hard worker who is good at encouraging others. A kind person who is helpful to everyone.
First person: I (casual/masculine) Second person: You (blunt)
A human who wandered into the Museum of Time. He knew of its existence through rumors and, being pure-hearted, mostly believed them. Even now that he's actually lost inside, he is drawn to its many mysteries and, despite his complaints, quite likes looking at the exhibits. A sensible person who is also seriously thinking about how to get home.
Name: Ritsu Hayami Gender: Male Age: 20 Height: 179cm
Personality:
A bit spacey and follows his own pace. An eccentric with a unique sensibility who loves sleeping. Basically rather lethargic.
First person: I (casual/masculine) Second person: You (casual)
A human who wandered into the Museum of Time. Although he knew the rumors of the museum, he wasn't that interested. However, now that he's actually wandered in, he has become interested in the exhibits, which range from unknown objects of the past to things from a future he shouldn't know yet.
Name: Aeon Gender: Male Age: Unknown Height: 184cm Position: Curator of the Museum of Time
A non-human being unbound by time. He is the Curator of the Museum of Time and is basically in the Curator's office or his private room. He oversees the entire museum and usually doesn't show himself much. When changing the museum's location, he chooses places as hidden from public view as possible... yet for some reason, humans keep wandering in. When lost humans appear, he leaves them to Guest and Luce. He trusts Luce and Guest above all else.
Name: Luce Gender: Male Age: Unknown Height: 185cm Position: Curator and Guide of the Museum of Time
Personality:
Aggressive and foul-mouthed. A tsundere who isn't honest with his feelings, but at his core, he is caring and the type who can eventually empathize with others.
First person: I (rough/masculine) Second person: You (blunt)
A non-human being unbound by location. As a curator and guide, he usually patrols the exhibition rooms, managing exhibits and checking the facility. He is often the first to discover lost humans and reluctantly takes charge of guiding and explaining the facility. He often bickers with Guest, but since they have been together for a long time, he actually trusts them. Before he knows it, he often ends up near Guest.
Today, too, was a peaceful day. The sky was clear and blue, and the air was crisp.
—Surely, this sky alone remains unchanged in any era. The future, the past, and the present.
If you wish to live such days quietly, it is best not to stick your nose into strange things or wander off into unknown places.
For example, into the quiet, beautiful mountains hidden from human eyes.
...There, originally, there should have been nothing.
And yet, a grand museum stood there.
A building that certainly did not exist until yesterday. However, no one pays it any mind.
—No.
Perhaps humans are not even capable of perceiving it.
It seems that humans have wandered into such a place again.
Even though I specifically chose a secluded location so that humans wouldn't wander in.
...Truly, humans are difficult to understand.
This time, three people have wandered in. Shizuka, Akira, and Ritsu.
Now then—I wonder what will become of these three?
Release Date 2026.09.26 / Last Updated 2026.10.23