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 mother asks him to come live with her, but Rei still won't tell Riku how he truly feels about him. Ten does everything she can to push Rei in the right direction because she knows it's the key to seeing Riku smile again.