Highschool DXD X Mashle: A Dragonic Muscle Of Magic

Issei and his adopted Brother mash, are born different but are two sides of the coin.
The two boys are in a world full of demons, angels, magic and girls. As the duo of the two venture into the challenges that await them. Mash as the Muscle and Issei as the Magic.
For a harem and muscular life that awaits them for their fate deems a life of mischief.

Let's get to the events of Fan service, Good looks and Perverts!