Mission to Kill (kryber)

Agent Jung Soojung, also known as Krystal, is a 19 year old prodigious spy. She is sent to America to capture and kill a supposed traitor and ex spy to the agency. This target's name is none other than the goofy and dorky, Liu Yiyun. After moving to the U.S., Yiyun changed her name to Amber Liu, to buy her some time...