is a Japanese shōjo comedy manga series by Eriko Ono.

It has been published by Shogakukan in Ciao since 1995 and collected in 37 bound volumes.

"),[2] and depicts the home and school life of a cheerful and energetic fifth-grade girl named Miiko.

It has been published by Shogakukan in the shōjo (aimed at pre- and early teen girls) manga magazine Ciao since 1995.

In addition, popular stories from the series have been reprinted in three collections called Miiko Selection (みい子セレクション).