"Happiness-colored One Room") is a Japanese manga series written and illustrated by Hakuri.

[1] A television drama adaptation starring Anna Yamada and Shūhei Uesugi premiered on TV Asahi July 8, 2018.

The drama starred Anna Yamada and Shuhei Uesugi as Sachi and "Older brother" respectively.

[14] Five-piece band Flow performs the theme song titled "Neiro" (音色, transl.

"Sound-colored") In 2017, the series won third place in Pixiv and Nippon Shuppan Hanbai, Inc's Web Manga General Election.