Wonder of U is the Stand of Toru featured in the eighth part of the JoJo's Bizarre Adventure series, JoJolion. It is a sentient Stand that acts as the director of TG University Hospital using the name Satoru Akefu (明負 悟, Akefu Satoru). It is capable of automatically causing a calamity to anyone who pursues or works against it or its user, even if it is only slight curiosity about them. Calamities are random happenings that result in the target being injured.