Yuu's life is boring. Waking up, looking out a window, and going back to sleep was all he had to look forward to everyday. Locked up in a luxury mansion in Victorian era London, life became dull in his eyes after being forced to move away from his home in Japan until he meets Takashima Kouyou, a Japanese immigrant like himself. After a while, Yuu finds that life doesn't have to be a fixed routine anymore, as long as he's with Kouyou...