Himekawa Hayuru (姫川 ハユル) is one of the main heroines of the Masō Gakuen HxH light novel, manga, and anime. Hayuru is the ace of Japan and an esteemed member of the Amaterasu. She is one of Hida Kizuna's lovers.


Hayuru is a beautiful young woman with long eyelashes and blue eyes. She has long black hair which is decorated with red ribbons, that keep her hairstyle into twintails. She wears an usual academic uniform. In privacy she sometimes were a headdress with cat ears. Since she started doing Ecstasy Hybrid with Kizuna, her body has become more erotic.

Her Neros looks like device that gives the image of a sharp bladed tool. An armament that looks similar to a Japanese katana is fixed at the waist while eight long and slender mechanical parts float on her back. In other words, she looks somewhat like a samurai from Edo period, which is reflected by her personality.

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