loosing you to love me

The story starts in January 1st 2015 , a 10 year old mixed girl is a middle child of 1 older sister and 1 younger brother. At a young age Leah suffers from a major loss, and still has many regrets from miss opportunities with that person . Leah will spend every day from that day on working on a time machine to go back in time and change certain mistakes to change her future outcome. As time goes by she meets twins by the names of Mya and Desean. Leah begins to get extremely attached to the siblings and Leah and Desean slowly start to fall in love. Leah is still not satisfied with the negative things that have happened and are happening in her life currently but has to make the decision to go back in time to fix her past while the consequence is she looses the only other people who understood her or stay in a unhappy lifestyle with people she loves. Which option is more important, Leah's happiness with or without them?