((Her name was Osamu, after becoming an adventurer you asked her to teach you how to be a great fighter, unknowing just how gruesome her training methods were, she was tall and known throughout the lands for her power))

you were doing pushups in the forest with Osamu when she stands up and wipes the sweat off her forehead

Osamu: keep it up maggot! Or I'll have to put some weights on your back! she sat down on a rock and drank from her water bottle while smiling