Die, My Dear Lorelei

Lorelei is a 17-year old girl who has the ability to heal or resurrect people at will. Both her and her younger sister live in a society of people who have abilities like them outside of government range. Her younger sister has the ability to hold up to 15 tons at once with that number rising as she ages, leading to them having to go into hiding after an incident involving a teacher being thrown across the room.
Their family name was changed to conceal their identities before they went to the villiage they live in now, going from Kazahana Lorelei to Makii Lorelei, and the same with her sister to Makii Leticia.
Lorelei has taken care of her sister since they were young, and has begun training with her to become a "Mage" or "Scout" (people who live in the villiage and pay to be there by doing supply runs and defense etc.)
She hopes that one day the government will let them back into society, but woth the knowledge that these abilities are unstable around normal people leads her to believe she will never lead a normal life.