Joukyuu Mazoku No Otoshikata

From Exiled Rebels Scans:Humans and demons have been at war for countless eons. But suddenly, a hundred years ago, the stalemate began to change with the emergence of Demon Breakers. The Majesty has ordered one of these Demon Breakers, Dia, to  subjugate a captured senior demon, Bahamut which other trainers could not handle. Bahamut, is captured with a chain, but has to deal with the erotic tornado called Dia.When he thinks about it, Bahamut was devoted to Dia ‘s perverted appearance. Bahamut’ s reason disappeared.  Has Bahamut ‘s (erotic) counterattack with the slutty Dia started?Beast type senior demon x dusky colored bitch trainer: ecstasy counterattacked with ecstasy! ?