Futaro attempts to guess the identity of the fake Itsuki from the first night. However, he's unable to tell the sisters apart by talking alone, until Yotsuba gives herself away. She explains that the shock she caused their grandfather when she began wearing her ribbon caused the girls to assume Itsuki's appearance whenever they visited him. In the hot springs, Nino tells Ichika that she plans do her best to win Futaro's love. Futaro asks the innkeeper how to tell the girls apart...