Oumagurashi no Yakko-san

"Where am I…?" While job hunting, she wanders into an otherworldly town. The inhabitants are all fantastical creatures and youkai, and she is the only human. While wondering what to do, a tengu girl persuades her to help keep the peace among the inhabitants. Now she finds herself working for a tengu, cleaning up after the town's mess! (Source: Dengeki Maou, translated)