Karen, Shirayuki, Hinako, Arya, and five of her older brothers are going to the sanatorium where Marie and her dog Michael live!! It has been a long time since Marie, who is living in her hospitalization, sees her brother. Karen decides that she will make time for the two of them, so Karen asks her brother to go to her sanatorium first. However, Hinako and Arya, unaware of this, urged "Let's go to Marie quickly"...