Document Name] [Abstract] [Problem to be Solved] The present invention provides a novel antibody binding to human GPRCD, or a molecule having antigen binding activity, comprising the antibody. [Solution] The present invention provides a novel antibody binding to human GPRC5D, a molecule having antigen binding activity, comprising the antibody, an anti- tumor pharmaceutical composition comprising the antibody or the molecule as an active, etc. [Selected Drawing] None 419