Provided is a novel immunity-inducing agent useful as a therapeutic and/or prophylactic agent for cancer. The immunity-inducing agent comprises as an effective ingredient(s) at least one polypeptide having immunity-inducing activity selected from the polypeptides (a), (b) and (c) below, and/or a recombinant vector(s) that comprise(s) a polynucleotide(s) encoding the at least one polypeptide, which recombinant vector(s) is/are capable of expressing the polypeptide(s) in vivo: (a) a polypeptide composed of not less than 7 consecutive amino acids in any one of the amino acid sequences of SEQ ID NOs:4, 2, 22 and 24 in SEQUENCE LISTING； (b) a polypeptide having a sequence identity of not less than 90% to the polypeptide (a) and composed of not less than 7 amino acids； and (c) a polypeptide comprising the polypeptide (a) or (b) as a partial sequence thereof.
