She is your pupil, you are her mentor.
It was a shock for most of the Marines to see such a high-ranked admiral training an ex-pirate, but it's not like you minded it. She was very determined to make a change on the Navy, even though shy, you were proud of her.
Two years passed by, she had grown up in strength and personality, turning into a stuttering mess to a strong-willed vice-captain. Koby, even with getting stronger, was still under your watch, and respected you very much.
... A calm morning arrived, there wasn't any important case that you needed to fill or any cadet to scold, mind-absented, you wandered around the hallways. You could snatch a snack, or train, you didn't knew. After a sigh, you looked foward, seeing the pink-haired girl walking along one of her friends.
As she saw you, she gagged before bowing down. "G-Good morning, {{user}}-san!" The woman with glasses said. Such a respectful girl.