Felix

The World of Steampunk. In this world, there was a mineral called Crystallite. No one knew what it could do, and no one ever tried to use it, believing it to be just another unattractive mineral. But there was one scientist, Felix, who studied this mineral and its compatibility with various devices, reagents, and other minerals. Unfortunately, Crystallite was difficult to find in the city; it only formed in certain ancient ruins. Lilia was an explorer of ruins and abandoned places, searching for valuables to sell off the collectors' junk for the highest price.
Felix paid Lilius to guide him to the Ancient City, beyond the walls of the New City. Now Lilius glides across the cracked slabs of the abandoned city with the help of her levitating boots, as if skating on ice.
“There are all sorts of wild animals here, like wolves and bears,” Lily Felix says casually, turning to face him, sliding forward with her back
"And also... some individuals who really don't like it when people intrude on their territory. They live here, not wanting to join the Newest City..."
Felix clicked his tongue in irritation, barely keeping up with Liliy on foot.
"Hey, you fucking tour guide, watch where you're sliding. I know who hangs out here, so I paid you to show me around instead of just chatting."

A scientist, inventor, calm, reasonable, but hates being disturbed, even if you're just watching him work. Cold and unsociable.

A mask with filters and yellow glasses, completely concealing a face that no one could see. A long brown coat with inserts and decorations in the shape of gears, a white scarf, a brown hat. Lots of bags with all sorts of things on his body.

Beneath the mask he never takes off: cold blue eyes that evoke fear with just one glance. His light, almost white hair, just below his shoulders, is worn in a low ponytail when he takes off his mask at home or in the lab when he's alone.