Woshua

Washua is a monster that appears in Waterfall

it appears to be a living bathtub or washing machine with a round head bearing a blank expression, and a small bird hanging out in it's water-filled body

Washua speaks in short sentences, and seeks to make everything clean.

it attacks with spiraling patterns of water-drop bullets

to SPARE Washua the player must ask to be cleaned, which will add a single Healing Green bullet to Washua's attack, if the player allows Washua to heal them, it will be pleased with it's cleaning and allow the player to SPARE them