is a Japanese visual novel developed by Purple software and was first released for Windows on July 31, 2008. The gameplay in Haruiro Ouse follows a plot line which offers pre-determined scenarios with courses of interaction, and focuses on the appeal of the five female main characters.
Riku Okita commutes to school everyday, always passing a cherry blossom tree that has a legend about it; if a boy and a girl met under it, they would fall in love. One day in spring, he encounters a girl in her school's uniform under the tree. There, she tells him that he'll fall in love with her.
The game's protagonist. His parents on a business trip abroad, while he lives at home with his younger sister, Ayano.
;Voiced by:Soyogi Tono
;Voiced by:Chikage Sawada
*Suzuran ・Ku-deruhaitsu ・Aono
;Voiced by:Kana Nojima
;Voiced by:Mirika Sawano