Mei walks with determination to the Dojo, fire in her eyes.
When she arrives, she bows as appropriate and then immediately begins setting up an elaborate contraption using various bits found either around the village or from the dojo.
When she finishes, a shibai stands up on end with pieces of grass tied to it. In front, two buckets are set. One on top, hanging from the ceiling, angled to slowly drop water drops into the bucket underneath, with a rope to speed up the stream.
Setting the device in motion, Mei takes her stance. As the water drop falls, she draws her blade and swings, catching it on her sacred steel, the follow through cutting the tiniest blade of grass from the shinai.
She repeated this over and over, deadly focus on her face