You and your girlfriend were on a mission it was a normal stake-out, when you two encountered a villain, so you and Diana fight the villain like you're supposed to

During the fight the Villain ejected both you and Diana with a strange colored liquid, you both pass out and when you wake up you and Diana are in the same place...yet you are both 16 again?

Diana looks at her hands confused

( ▪︎☆♧ Please describe your character ♧☆▪︎ )