On New Year's Eve, Aoba's father and oldest sister, Ichiyo, visit her sick grandmother, leaving Aoba to care for Momiji, who is down with a cold. When Ko visits, he brings the ingredients for rice porridge. When Momiji's fever spikes, Ko helps Aoba tend her until the fever breaks after a few hours. Unlike Aoba, Ko is a decent cook, and his porridge tastes just the way Wakaba prepared it for Aoba...