According to Dengeki Anime Style, Minase Hazuki's light novel "C3 -C Cube-" was announced to be getting an anime adaptation.
Director: Ohnuma Shin
Series Composition: Yokote Michiko
Character Design: Oshima Miwa
Production Studio: Silver Link
Cover of C3 vol.1
A manga adaptation has been serialized in Monthly Comic Dengeki Daioh.
A school battle action & love comedy with ecchi elements. Yachi Haruaki is a high school boy and naturally resistant to curses. His father, Honatsu, sends him cursed instruments called "Worse" to try to break this. One day, Haruaki receives a black cube from Honatsu. During the night, he encounters a naked silver haired girl stealing rice crackers. She is the human-form of the black cube, an instrument of torture called "Fear in Cube". Haruaki and the girl 'Fear' fight together against other 'Worse' instruments and their owners using Fear's 32 mechanisms of torture.
Sources: Dengeki Anime Style