The Hardest Wishes

Lillian Evenere is a young girl in the 11th grade. The school that she goes to has a certain policy, "No Bullying is Allowed", yet Lillian is bullied by another student so bad that she wishes that she would be able to escape the cruel world that she lives in. A Goddess seeing this takes pity on Lillian and grants her wish, with a consequence, the goddess gives her powers to slow time but to return to normal time she must commit murder. Will Lillian take revenge against her bullies by killing them? Or will she give the goddess' powers back.