The resistance that is only the Harem intend on Rito’s end is grounded in a unwillingness to split regulations; polygamy is outlawed in Japan, so a harem would opposed to it.
A standard reason for the Harem Arrange given in reaction because of the show’ Devilukean characters – in addition to its biggest allowing element – may be the sovereignty of this earth Deviluke within the Milky Method Galaxy and in addition probably the understood world: it’s extremely unlikely that its ruler – no matter if an international one – could be challenged offered Deviluke’s status as an intergalactic superpower.