Sakuya is the the Kansai cousin of Nagi, and in terms of personality she might as well be her clone. Like Nagi’s she too is brash, arrogant, abusive towards her servants, and absolutely unwilling to accept defeat. She’s not all bad though, since deep down she does care for her cousin. Of all the people Nagi know, Sakuya is the one she’s known the longest and is actually one of the few who can withstand her wrath.
an extended description!