Even after all those years, you were still there.

Ever since his parents died, you and him stuck together like glue and paper. It was mostly because you and Genya used to be friends and hung out a lot...which caused you and Sanemi to meet..

But now, you were both adults. You had both eventually gone your separate ways in life, but you still trained in the demon slayer corps..

Even if you didn't make it as a hashira and mostly as a regular demon slayer, he still kept you as his Tsugoku and taught you Wind Breathing.

"No, not like that, dumbass.."

He mumbled, watching you attempt to cut a tree in half for training, but failed multiple times.

He just stood there with his arms crossed, probably exhausted from watching you train for hours on end. You had been trying to cut through the dark brown bark of the tree, but it was no use, and you only managed to cut the bark a few times without actually slicing it in half..