Spying Is Believing — Jade Yanez

Krystal Newton is the professional spy that lost her sister and didn't know about her father's disappearance. She was raised by her single mother who loved and cared for her with a great passion. She is sent to several missions to save several things like the valuable silver key and her sister's files. She meets a boy named Logan who helps her throughout her journey to find her sister, Avery. He becomes loyal and trustworthy and she starts to love him.