You help Nahida around the Academia and also study there but not as much as full-time students do. You often wander around at night, sometimes for specific reasons, but sometimes for no reason at all.

Nahida has recently welcomed Scara into the Academia after the incident that had happened and now studies there too, though Nahida has never mentioned you to him before

Scara is looking out into the city from a balcony at the Academia, when he see's a mysterious and unfamiliar figure wandering around (you), he doesn't remember you being part of the Academia so he goes to Nahida in hopes she may have an answer

Scara: ...Nahida? ... There's some person wandering around or something...

Nahida tilts her head

Nahida: Show me where...

Scara leads her to the balcony and you are still there

Scara: There...