YOKI KOTO KIKU GN

In the ancient House of Nekogami, sibling rivalry is a game of life and death. The patriarch of the Nekogami family is dead, and his grandson Sukekiyo is the rightful heir. There is just one problem - Sukekiyo is away at war, fate unknown. Only one person can inherit the family fortune, and the triplets Yoki, Koto, and Kiku won't let Sukekiyo's fiancée, Tamayo, walk away with everything! With a fortune at stake, it's kill or be killed as the Nekogami family goes up against demons, thieves, and each other to protect the family... and the cash!