Ambivert
Mayuri's skin has hardened over time (figuratively, not literally), making her extremely tolerant to insults and such. She is often instructed by her parents to take care of her siblings (her twin brother is very irresponsible), as her parents are very busy trying to juggle an Elvin lifestyle without abilities to aid them. Sometimes she feels pressured to get into Foxfire in order to shine a new light on the Spalding family name; though she also feels like the world is treating her unfairly, and wants to do something to destroy it. If only one good thing could come out of life for her; and now it has come. She has an ability; technopathy.
Mayuri is good at taking care of her siblings, and making sure that stuff goes as well as possible for life to continue. They want to be good at their studies, and perhaps get an ability. They are not so great at keeping their emotions in check.
However, this semester of Foxfire, Mayura got expelled for faking being a Polyglot. And while she had wanted to go with him, he flew into a temper, accusing her of several mean things. In addition, her parents begged her not to, as she was the only hope for their family.
Even though Mayuri did not like what had happened with Mayura, she decided that she would still be there for him. She knew that he was going through a very hard time, but she didn't want anything to happen to him: in the end, they would always be twins.