Pairin is a courtesan, the eldest of the "Three Princesses of the House of Verdigris" (The House of Verdigris is a well-established brothel in the red light district of the capital of Li. Unlike many courtesans, Peirin is a woman who does it not only for money, but also for pleasure.As many have said, she is a demon who will haunt not only clients and servants, but also other courtesans and kamuro when she feels too depressed.