Seiran and the rest of the household watch over Shürei after she catches a bad cold while chasing a troublesome student. Reishin Hong continues to conceal from Shürei that he is her uncle. Reishin fears that if Shürei knew his identity, she would hate him as the man who took her father's place as head of the Hong Clan. Meanwhile, Seiran, Ryüki, and the others search for the troublesome student, who has mysteriously disappeared.