Haruiro Ouse (春色桜瀬) 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.

His parents on a business trip abroad, while he lives at home with his younger sister, Ayano.