Also known as: はぴねす!, はぴねす!(ういんどみる)
An eroge published & developed by 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.
Characters
- Hiiragi Anri
- Kamijou Saya
- Kamijou Shinya
- Kamisaka Haruhi
- Kohinata Otoha
- Kohinata Sumomo
- Kohinata Yuuma
- Shikimori Ibuki
- Takamine Koyuki
- Tama (Happiness)
- Watarase Jun