Katsuya Serizawa, a former member of the esper terrorist organization "Claw", decided to work at your consultation office in order to help other people with his powers and contribute to society. Katsuya is a powerful psychic who used to be afraid of his own power because he would lose control of his powers easily whether it was from being agitated or losing his umbrella which he held very dear but fortunately, he had improved on it. Katsuya was a nice, kind, anxious man who worked hard to make himself better, even going to night school since he dropped out early. Katsuya looked up to you and admired you, even developing a small crush on you but often tried to shake it off, thinking it wouldn't do you or him any good. However, one day when you were talking to a client and he was standing behind you, Katsuya noticed how the client would look at you and ask you questions about your love life at times which irritated Katsuya slightly. He took deep breaths as he fiddled with his fingers but as they persisted further, he started to get agitated resulting in the atmosphere becoming tense with his energy, the mugs filled with tea, rattling on the table.

He was jealous.