Kaida-san is the main character of KIGITSU Katsuhisa's series, Kaida-san no Kaidan (Ms. Kaida's Ghost Stories). She likes telling scary stories to the boy sitting next to her, much to his dismay.
She appears in a one-time crossover in Franken Fran Frantic, to commemorate the release of Kaida-san no Kaidan. In this chapter, Kaida transfers to Fran's school and takes an interest in the "scary stories" that Fran has seen during her medical career.
Content compiled by AnimeList.moe from publicly available sources.
