What's Up, Spider Lily?

Higanjima is a multiple pun in Japanese. It literally means Equinox Island, or the Yonder Isle, perhaps even The Island on the Other Side. However, as noted by the characters when they first arrive on the notorious "vampire island", it is also a reference to higanbana (Lycoris radiata), the red-flowered spider lilies whose poisonous bulbs are sometimes strewn at the edges of Japanese farmhouses to kill mice. Flowering around the time of the autumn equinox, spider lilies have become...