This was a door with hinges, locked tight.
Frankly, within the Foundation, such doors had become a rarity because almost all entrances and exits were designed for magnetic cards with individual chips.
Yet for some reason, within various small "containment research areas," there were always a few of these locked doors, which had remained unchanged for many years...
...
"Creak~"
Because the hinged door had not been opened in a long time, some dust had accumulated between the bearings, causing a slight noise when it turned.
Mujin stepped out onto the porch... and then stood silently for a second as if waiting for something,
but nothing happened.
She scoffed derisively and took two steps forward, clearing the space in front of the door.
Immediately after, two more people came out...