When Aoi falls ill, everyone at the Sakuraba mansion falls apart trying to fill her shoes with the necessary household chores. Then, Kaoru invites Aoi to visit someone special, she finds herself being introduced to Kaoru's mother's grave as someone important in his life. As their love for each other truly blossoms, Kaoru and Aoi encounter a severe frost Aoi's father forces Aoi to return home in an attempt to separate her from Kaoru forever!