One such girl, Kanna Asagiri, is taken to Kigasato High School on her 16th birthday to eventually become the bride of its most powerful demon and student council president, Kaki Kito.

In order to protect Kanna, Mitsuaki Shizuma, Minaha Hayasaki, and Reiji Takatsuki assume the roles of her "guardian wings" and court her for her hand in marriage.

[7] In addition to the main series, Risa released a spin-off novel titled Hana Oni: Shūen to Hajimari no Otome.

[4] The play had a second run in March 2011, with Hiroki Suzuki, Shion Tsuchiya [ja], Motoki Ochiai, Kōsuke Kujirai as new cast replacements.

[19] A video game adaptation titled Hana Oni: Koi Someru Koku Eikyū no Shirushi (華鬼 ～恋い初める刻　永久の印～, lit.

"Demon of Floral Beauty: The Time When You Start Falling in Love") was produced by Idea Factory under their Otomate label.