Yukari pushes through, and tackles them both into the showers.

(chapter originally by Phantom Pen on writing.com)

Minako put up a valiant defense, but circumstances conspired against her. Water dripping down her legs pooled on the slick tile of the bathroom floor, and a firm shove from Yukari shifted Minako's feet and sent her slipping and staggering backwards. With Minako's grip on Yukari's sweater holding strong, the SEES leader pulled her raging friend right along with her into the shower stall.

Minako winced as she felt her back slam against the water dial, turning the handle and sending water shooting from the shower head above. Unfortunately for both girls, their back-to-back showers had exhausted the hot water supply, resulting in a chilly rain dousing them both. Furthermore, as momentum carried Minako down to the cramped floor of the shower stall, she heard the sound of tearing fabric as her clutching Yukari's sweater shifted in the fall.

Neither had much time to worry over this for too long, however. The reckless fall the two of them just experienced, along with the hard tiled walls and floor of the bathroom meant it wouldn't take much for one of the girls to deliver a knockout blow to the other. The consequences of such a thing, however, were yet to be seen.