Let's hope the water doesn't have Naegleria fowleri in it.
Brain-eating amoeba.
Thus is not medically advised - use sterile saline solution.
Uuughhh...Ehh.... Really? Then, well, I guess...Suck up water through the nose and put it out the mouth. It's apparently good for hay-fever.E...Ehhhh~ Through my nose?I-Is that really true? I'm trusting you here, you know?That's a lie, though.That Lady, Kumano-san, is also of the habit of stylishly nose gargling.It'll be fine!Maybe...Nose gargling, yes.Tooooo↑ooooah↓!Kumano's night battle lineS-Soo... this wash basin is for...