Yüto and Haruka along with several others are invited by Shiina to go on a trip to a hot spring in the mountains. Haruka is especially excited since this is her first trip with friends, due to having her hobby of watching anime being exposed in junior high school. Haruka's maids, including Alistia Rein (aka Alice, eighth-ranking) and her younger sister, Mika, as well as Ruko and Yukari also come along...