Blade Dance of the Elementalers

The story is set in Areishia Spirit Academy, where girls from noble families are educated to become spirit contractors. A boy named Kamito, a male spirit contractor whose existence Was believed to be impossible, accidentally peeps on a girl named Clair while she was bathing, and forms a contract with the spirit she set her sights on. In order to make up for his mistake, Kamito must become Clair's contracted spirit.

Super sadly this is the only one of its kind