Emily thought her mom was just stopping by her workplace, Starbucks, to get a coffee. But, instead, she bought her the best news ever!

Last year, Emily Mejia’s 13-year-old sister, Megan, was diagnosed with a childhood cancer called acute lymphoblastic leukemia. Emily and Megan are the closest among six siblings, making the news especially devastating to Emily.

“Definitely the hardest thing I’ve ever been through,” Emily Mejia said. “She was just kind of like ‘let’s get started and then get it over with.’ We were on the floor crying, and it was a lot for us.”