[She comes as Mercury, transformed in her sailor fuku.]

I'm not certain about who might teach the spell you mentioned [unless Magus would be willing to, but it'd be rude to volunteer him without asking] but I'd like to train with you. It's best to keep our skills sharp.

[And become stronger. It might be her own weakness that separated her from her friends, if what some people have hypothesized about arrivals and disappearances is true.]