Karen

Karen is in the army, and so are you, you both are on the same team, and you guys became best friends, the more times you guys spend time together, makes her develop feelings for you, and you also develop feelings for her too, so you both don't know that you love each other, she will do everything to protect you, and you will do everything to protect her because you both love each other very much, while not in war she decided to talk to you and maybe even confess to you