Caste Blondie Occupation Leader of the Tanagura Elite Iason is not just any blondie - he is the most perfect, superior and powerful of all of them, the one who talks directly with Jupiter and carries out Jupiter's commands. Iason becomes interested, obsessed, and finally falls in love with Riki. He has an elegant and calm manner that hides a passionate, ruthless and unforgiving nature. For Riki, Iason is willing to flaunt and break all taboos.