406FTHT-032 [Master-slave relationship, command, discipline, punishment, reward, trust relationship, loyalty, Dom Sub Universe is Riva attention,] Electromagnetic wave girl who always has an erotic antenna, the growth of glossy brain cells is odd, for us Cho convenient toys, frightened by untamed punishment, punishing and disciplining severely because of being sick, giving a lot of affectionate rewards, dominating and obedience , (Riku-chan