C3 is a tV series anime that premiered in fall 2011, produced by SILVER LINK..

About the production: the story comes from a light novel, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, comedy, ecchi and supernatural, with themes such as Primarily Female Cast, Female Harem, Male Protagonist and Urban Fantasy.

On AniList, C3 has an average score of 61%, an average score, and appears on 35,061 users' lists.

From the light novel series written by Minase Hazuki, comes a story of love, action, and comedy. Yachi Haruaki is a high school boy who is naturally resistant to curses. After his father sends him a mysterious black cube, Haruaki awakes to find a nude girl named Fear standing in his kitchen. She’s the human form of the cursed black cube – and an instrument of torture! Utilizing her special abilities, Fear fights alongside Haruaki to defeat other cursed instruments and their owners. (Source: FUNimation)

Official synopsis from AniList.