A magical girl, where I come from...the creatures that can grant these wishes only seek out a specific type of girl. Young and emotional, with the potential to alter events around them with their presence.

It's...very clinical, you could say. Scientific, even.

[And in a sense, that's probably being generous to the Incubators.]

If you're capable of hearing the creatures, then chances are, they'll be seeking you out to make a contract with you.