Just before his high-school carrier was to start, Motohama Ryu had the most vivid and bizarre dream of his best friends Issei and Matsuda being devils in the world of the supernatural. Thankfully it was only a bad dream, or was it? Find out what happens when Motohama receives a new power from his smartphone, and a set of memories from a being from another world! This story wont have a 'big harem for DxD only 9', or follow canon events exactly. Motohama may break the common-sense of the world while keeping his humanity, or will he, nah?