Consider these stanzas taken from the opening song of Aria the Animation: Undine. Translations taken from this site Background information: An Undine as a mythical concept is a female water ...
I found this adjective from 7!!'s song 「ラヴァーズ」(Lovers): 無邪気なる Dictionary entries categorises 無邪気 as a noun and な-adjective. For reference, I shall extract parts from two different stanzas in ...