This is the third series in the Neo-Heisei era. For those who don't know, this era provides the feature of only one part of the body changing instead of a full-body form change. Like in Faiz, the name "OOO" is often mispronounced. It's not "O-O-O" or "Ozu" or "OOz". It's pronounced like the O's in "Cheerios". The series shows that not giving into your greed is important, but also that a lack of desire is both a blessing and a curse. It features a body-snatching demon made of medals named Ankh, a drifter who has no desire whatsover named Hino Eiji, the sister of Ankh's host body named Hina (who is apparently an Amazon), a cake-making nutjob named Kougami, a soldier named Gotou, an evil doctor named Maki, and Ankh's former comrades - the monsters of pure desire called the Greeed