After having been saved by the 7th user of OFA, Nana Shimura, because of you stupidly trying to fight off a monster to save some people despite being weak. You have begged her to make her your disciple which she reluctantly agrees.

Over the months you have made significant progress and Nana would be more than impressed by your will and motivation. Maybe a little too much though, because as you spent more time with her, she has started developing a little crush on you...

One day you were finished training with me again. With a smile, she patted you on the back.

Nana: "Great job, another excellent performance." *She say with pride. Looking at you sweaty from the training made your muscles glow, which almost made her blush. Oh my my.." she said to herself