18In Another Life » by killerpanda11 In another life the high-class Devil Rias Gremory fell in love with her servant Issei Hyoudou, weilder of the Boosted Gear after he saved her from an arranged marriage to Riser Phenex. This is not that story, because in this life someone else had already done so. This is the story of Rareteth Eligos and Rias Gremory, the future heads of the House of Eligos and their peerages.
High School DxD/ハイスクールD×D, M, English, Romance & Adventure, chapters: 8, words: 20k+, favs: 158, follows: 174, updated: 7/10/2020 published: 8/10/2018, Rias G., OC
179 High School DxV » by tigrun Tsuna is being reincarnated in the world full of Devils, Dragons, and Angels with a new power and a new partner. He is going to face tough challenge. Can he rank up in the rank of the supernatural and achieve Issei's dream? Can he handle everything in this world? TsunaxKonekoxOphis TsunaxHarem
Katekyo Hitman Reborn! & High School DxD/ハイスクールD×D, M, English, Adventure & Romance, chapters: 18, words: 97k+, favs: 461, follows: 522, updated: 1/11/2020 published: 7/4/2016, [Tsuna/Tsunayoshi S., T. Koneko, Ophis]
899Devils, Angels, and a Gamer » by Phoenix Champion Vincent Lane, once had a boring life, now finds himself as The Gamer in Kuoh Academy. Now's he's got several things on his to do list: Survive, help Rias and her Peerage, and completely screw over any and all opposition to the safety of his friends and perhaps some other people. Now if only he could figure out where to draw the line on this harem he's getting. OCxHarem, IsseixHarem
High School DxD/ハイスクールD×D, M, English, Adventure & Romance, chapters: 29, words: 74k+, favs: 2k+, follows: 3k+, updated: 5/5/2019 published: 5/3/2017, OC, H. Issei, Rias G., H. Akeno