World Development System - Chapter 128

“It is the human heart that generates the infinite light, and it is also the human heart that creates the boundless darkness. The light and the darkness are forever intertwined in an eternal battle. This is the world in which we are attached to sentimentally and helplessly.”-Victor Hugo (Les Miserables)An investigation. Understand the criminal mind. Exploring feelings.“Do you know what the hardest part of a person’s life is?”“It is not the meeting, but the reunion after separation.”An enchanting and fox-like medical examiner that explodes at the slightest provocation X A young wolf pup, self-disciplined and reserved criminal investigator

The ordinary world is not ordinary, ordinary people are not ordinary, and safe places are not safe.

This is a story of a passer-by male protagonist who is entangled by various girls with strange hobbies or even non-human beings while surviving in the cracks and opening a harem.

- Description from novelbuddy

God plucked one of his creations from his first Earth and gave him a second chance in another one of his Earths...surprise it is in DxD! Now reincarnated as a perverted side character how will our poor protagonist handle his new identity? Well he probably wont make the choices you will want him to, that's for sure!