[Crossover] A Dark Blend

He knew he had transmigrated, and stayed calm! He knew he had transmigrated into Harry Potter, and stayed calm, too! He knew Spinach was a brother-con, and stayed calm! He learned that Radish was actually supposed to top people, and stayed calm as hell! Bastard! So Greek mythology was all lies? What kind of bizarre creatures are these two who keep wandering around in front of me? Hypnos, get them out of here, and put up a sign: Zeus, Poseidon, and Cerberus are strictly forbidden from entering.