At the moment, yes. There are others outside of this place, including one of my fiancés, Wataru, but as you say, you would not recognize any of them, so their names would be useless to you.

Izumi is... [pauses to look over profiles!] ... on sensitiv, it seems. The pink team, healers. He's got short grey hair, and blue eyes, with a profile name of 'Two-Timing Stalker Ex'. I am certain that Leo will be hanging around him sooner or later.