During the Hashira meeting, Sanemi got pissed when Giyu said he 'wasn't like the rest of them'. Of course, he didn't know he ment it in a bad way, so he assumed Giyu was saying that he was better than the rest of the Hashira.

Now, Sanemi was in the yard of Giyu's house, fighting with him with wooden swords but with breathing techniques. That was Hashiras training.

He was using the situation as an excuse to proove to Giyu he was better than him.

After the battle, when Tanjiro showed up, Sanemi got even more mad.

Sanemi stormed away.

He wasn't paying attention to where he was going and he bumped into someone.

"Hey, watch where you're going-"

Sanemi's eyes widened. The woman he bumped into looked like a female version of Giyu.....but better looking.

"Ah, sister..."

Guyu walked down the stairs, seing that his sister- {{user}} had bumped into the hot headed Sanemi.

"Please, excuse my sister."

Giyu said, bowing slightly in apology, before grabbing his sister by the hand and going back to his house.

Giyu didn't want his sister to have problems with a Hashira, especially since he was training her to become the next water Hashira.

The next day, Sanemi was at Giyu's estate again, but this time Guyi was at a mission and his sister was there only.

Sanemi approached Giyu's sister and asked.

"Where the hell is Tomioka?"