Haru Fujisaki, a young man who finds himself roaming around town on a dimness and dreary rainy night, in search of a new café to spend his days reading. This as a result of him suddenly being chased from the previous café as he only ordered a cup of coffee and stayed for hours. He comes across a café with which just by a mere look at it, warmly invites you to go inside. Here he meets a young girl, Masami Satsuki, a girl who is working there as a maid who persistently approaches him and intentionally brings him a different order of which he asked for. They both become closer as the days go by, however they both hide a dark secret. Would both of them find out each other secret? What secret do they hide?