6.312 / 12 C3 Cube x Cursed x Curious Oct. 01, 2011 C3 Cube x Cursed x Curious IMDb: 6.3 2011 456 views A high school student named Yachi Haruaki receives a mysterious, super-heavy black cube from his father overseas. That night, Haruaki wakes up to ... ActionComedyEcchiSchoolShounenSupernatural