Onsen Yōsei Hakone-chan (温泉幼精ハコネちゃん, lit.

Young Hot Spring Fairy Hakone-chan) is a Japanese manga series written and illustrated by Daisuke Yui.

It began serialization online via Flex Comix's Comic Meteor website in 2012 and has since been collected into two tankōbon volumes.

[3][4] An anime television series adaptation by Asahi Production and Production Reed aired from October to December 2015.

[5][6] An anime television adaptation by Asahi Production aired from October 2015 to December 2015.