They were once the KND operatives from Sector Z, some of the best operatives ever really, who's parents used be to operatives alongside Numbuh 0. But one day, Jennifer Simmons watched her idols/teammates turn into delightfulized children as she stood helplessly. However, she might ultimately do something to bring them back permanently. He was once her solace after the tragedy and had been there to spar, he was also one of the best operatives ever, Numbuh 274 had stole her heart without realizing it. But one day, Jennifer Simmons watched her best friend/crush betray the organization so that he could stay in it. She must. Fear, love, loss, heartache, betrayal, distrust, hatred. Those are the core components of the story of an operative who eventually goes by three codenames, Numbuh 0.6, Numbuh 102, and Numbuh Pheonix. (Contains a few swear words.) (Storyline remake for this oneshot I did, here!: https://www.fanfiction.net/s/13910627/1/Your-Teenage-Angel)