An unflappable girl and a cast of lovable male roommates at a boardinghouse create bonds of friendship and romance. When Ten moves out of her parents' home in the mountains to live in a boardinghouse, she finds herself becoming fast friends with her male roommates. But can love and romance be far behind? Riku's kiss sends Ten into a panic. While she tries to understand why he kissed her, Riku is surprised by his own actions. Meanwhile, Chiaki's feelings for Ten grow.