Here's a slash I wrote years ago, for a 90-word challenge:

They bathed together.

This was perhaps unwise, given their age. But they'd always done it.
Since childhood, she and Miki had done everything together, except
play the piano, and...

She'd wanted the other, once. Used a razor on him, but that hadn't worked.

Now he was seeing another. She couldn't accept that.

He would duel tomorrow, for that girl's favor. He would lose. Kozue
had seen to that.

Her body was a better weapon than a mere straight razor, after all.