The Lillian Girls' Academy uses the lily symbolism as the white lily is the flower of the Virgin Mary. The white lily is a Christian symbol of virginity and . This lily imagery is also used as a reference to yuri: the story has some elements of romance between female characters; the use of lilies reinforces this in subtext, as do the names of the student council and of the school itself. The series is only explicit about a romantic relationship once in a flashback, but many of the sisters have romantic friendships.