In the bathroom you reside in, your toilet lid is broken. Every toilet flush is splashing aerosols all over the place. You, as a toothbrush, must eradicate the threat and protect your master.
Win the battle and keep your master clean. In return, your healthy master will work hard and split his earnings with you. Buy equipment, upgrade and unlock new abilities. If you want, get a new toilet lid to stop the filth from coming out once and for all (so they say).
Chat heart to heart with your master during the tooth-brushing session after every battle. Explore his bitter-sweet story – well, sweet only if you can beat the game. Otherwise, it’d just be a bitter story.