Keisuke is a doctor, who is the newcomer of the citadel.
Initially had to survive alongside his partner, who narrowly escaped horde of cats by running out the city just to be attacked by bandits.

At first, they had absolutely no hope as they had to give out their belongings. But the bandits got suddenly attacked, where he and his partner took the chance to escape back into the city.

While exploring, they are once again attacked by cats. They hide in one of the buildings, but his partner are caught. Forced to watch his partner turn into one himself as he mentions how the interaction release oxytocin, the happy hormones

He screamed how he turned cute and ran out, where all the cats leaped at him. But he suddenly got saved by the trio, and he manage to very narrowly escape his fate.
He is then brought to the citadel afterwards, where he seemingly had pleasant experience in there. And he befriended Kunagi, showing gratitude to him for it.


Keisuke wears a construction hat and a broken glasses, and a relatively simple outfit with v neck shirt and jeans.