Interesting training with Tsunade

Sakura was enjoying a rare day off. The sun was bright and warm, Naruto was on a mission so he wasn't pestering her, and Sasuke agreed to train with her for a few hours. Life was good.

Much to Sakura's dismay, her plans were thrown out the window as a shadow of a messenger bird blocked the sun. She had received orders to come to the Hokage's manor wearing clothes she wouldn't mind getting dirty or damaged. While Sakura was bummed about not being able to spend time with Sasuke, an opportunity to train with Tsunade was nothing to say no to. Thinking she was due for some intense tai-jutsu training, Sakura dashed home to change into her usual mission outfit. Her red sleeveless dress, her black shorts, and her ninja sandals.

Sakura knocked timidly on the door, standing idlily in the hallway before hearing her mentor bark to come in. She opened the door hastily.

"I'm sorry I'm late sensei, I was-"

Sakura stopped. Tsunade wasn't the only one in the room. Besides her was her assistant Shizune, who wasn't at all unusual to see, but in front of the desk, looking at Sakura with interest was...