[FEATURED] Upon discovering mermens exist, Sera Chang and teenage detective Junjie Williams work together to kidnap a merman as proof that these once-thought fictional creatures exist.
A few months since the fight within the Dimensional Gap, Issei and Rias Grenmory find out that someone has been slaughtering Stray Devils, Fallen Angels, Angels, and more in brutal fashions all around their town and they are sent to find out the cause of the disturbance. That's when they find the Devil Angel, a being...