(This article is related to Vampire Knight)
"Master Yuan, Master Ye wants you to return to Japan as soon as possible."
The seven major Cheng Mo families:
Cheng Moye, the head of the Cheng Mo family, Cheng Moyuan, the brother of Cheng Moxu.
Cheng Moyuan, the second heir of the Cheng Mo family, the sister of Cheng Moye and the sister of Cheng Moxu.
Cheng Moxu, the third heir of the Cheng Mo family, Cheng Moye, Cheng Moyuan's sister.
Seven families: Jiulan family, Feiying family, Bailu family, Huangli family, Orange Mo family, Iris family, and Biaomu family.
That is, the seven pure-blood families.
Everything will start after Cheng Moyuan returns to Japan.