Mami's mouth just opened and then closed. Dealing with Tohsaka was difficult, if not downright impossible sometimes. It only would be fair for her to explain her own magical abilities, but it seemed that Mami had to be the one to go first.

"I'm not sure what there is to explain. I am a Magical Girl. I fight those things, Witches, so that innocent people don't end up inside a barrier like that and get eaten." Luckily it was night, and there didn't seem to be too many people near the store to both them.