Kurumi believes there is a blue rose somewhere in the world. One day, when she is on her way home from school, she is suddenly surrounded by a flash of light and loses her consciousness. When she regains her consciousness, she finds herself lying deep in the forest. She finds a man, Ryuka, and asks for help, but he captures her. As a result, she is hired as a live-in maid and starts working at a house where various unique boys live. As time passes, she falls in love with them.... "Well, my master. Can I fall in love with you?"