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 moves back into his childhood home, but he invites everyone from the boardinghouse to a hot springs resort. Is there a future together for Riku and Ten?