Prototype:The Blacklight Virus Of DXD (Highschool DXD X Male! OC) (Ongoing)
This story takes place after Issei Hyoudou became a devil and before he met Asia Argento. This story also takes place after the ending Prototype 2, the final battle between James Heller and Alex Mercer but with an alternate ending where Alex Mercer didn't get consumed and went to the good side again. But there is also...