Rei-Go Group VS Nishimura Fleet Snowball Fight In Progress

Awwright! Didja see that, you brats!!

Yamashiro's childishness is dangerous.

Onee-sama, we'll use that.

Sure.

Now now, don't be putting in rocks or anything, okay?

Don't worry, big sis. We won't be doing anything like that.

What we're putting in is---

Such misfortune.....after all...

Yamashirooo!

It's Super Effective?