The mother of a OL (office lady) sends her an old dresser. The thing is much too big for her small apartment and she doesn't know what to do with it. One night she falls asleep after having a few drinks and wakes up after hearing strange sounds. She sees a child's figure by the table taking some rice crackers... The OL's life with six spirit children begins. The Agency of Cultural Affairs of Japan invested 214 million yen ($2.26 million) in "Young Animator Training Project" and entrusted the execution of the project to Japan Animation Creators Association (JaniCA). JaniCA produced four original anime (23 min long with OP and ED sequences) in cooperation with four production studios. Tansu Warashi. was one of these four projects.