Ko

Ko is one of the main protagonists of Wagaya no Oinari-sama. series. She is the Mizuchi family’s sentinel. She is sent to keep an eye on the Takagami brothers and Kugen Tenko, and therefore must live in the Takagami household for the time being. She appears to be helpful, dedicated to her job, and does not want to be a bother but initially is very poor when it comes to common household tasks such as washing up (She somehow managed to wear a huge hole through a steel pan).