Ivy

lives in a forest near the shrine.
stops in when the moon is more than half to see what her cousin Swallowtail has done to the grounds and catch up. She is guaranteed to show on full moons to uphold the ritual. The makers of the shrine would light incense and votives, prepare herb bundles, small cakes with fruits and nuts, and precious metals, stones, or objects to throw into the pond. The plants and cake additives change with the season, but the purpose is to ask the deity continue to watch, protecting them from unknown horrors and bringing prosperity to the land around. It's funny, after the old text was deciphered and she started performing the ritual again, the small garden Intern kept was so prosperous they had to enlarge it in the middle of the growing season for fear the plants would fight to the death for space.
only one who knows of Kurokami
child Sibirica is unofficial welcoming party, clan florist (responsible for wildflowers in any land not otherwise occupied), and a bit of a wild child
She's received an invitation to the casino and informed staff she would never return unless the plants in the casino were given larger pots, "friends," and written affirmation they would all be properly watered and cared for.