One morning after Christmas, Maki falls ill with a fever and is confined to bed. When Umi and Sora find out, they come to visit her and end up taking her to the hospital. Since Masaki is out for work, Maki recuperates at Umi's house. Umi diligently takes care of her, but her father, Daichi, watches his daughter from the sidelines and is very worried. The next day, Umi goes out, leaving Maki alone with Sora. Sora thanks Maki for getting along with Umi, and Maki declares that she will cherish Umi as well.