An eroge published & developed by [[windmill_(company)|Windmill]] during August 2005. There is a 2006 anime adaptation by Artland studio. There is also an ongoing manga adaption written & illustrated by [[Fujii Rino]], as well as a light novel illustrated by [[Ko~Cha]].

h4. Characters

* [[Hiiragi Anri]]
* [[Kamijou Saya]]
* [[Kamijou Shinya]]
* [[Kamisaka Haruhi]]
* [[Kohinata Otoha]]
* [[Kohinata Sumomo]]
* [[Kohinata Yuuma]]
* [[Shikimori Ibuki]]
* [[Takamine Koyuki]]
* [[Tama (happiness)|]]
* [[Watarase Jun]]

h4. External links

* "Getchu":[http://getchu.com/soft.phtml?id=216673]
* "Visual Novel Database: Happiness!":https://vndb.org/v362/
* "Wikipedia: Happiness!":[https://en.wikipedia.org/wiki/Happiness!_(video_game)]
* "Wikipedia (JP): Happiness!":[https://ja.wikipedia.org/wiki/%E3%81%AF%E3%81%B4%E3%81%AD%E3%81%99!]
* "VNStat: Happiness!":https://vnstat.net/novel/362
* "Anime News Network: Happiness!":https://www.animenewsnetwork.com/encyclopedia/anime.php?id=6800
はぴねす! はぴねす!(ういんどみる)