Inma Tsuihou: Hentai Gift wo Sazukatta Sei de Outo wo Owareru mo, Onnanoko to "Nakayoku" suru dake de Chouzetsu Level Up  

A world where one's life is decided by one's talent, called a "Gift." The main character, Erio Scarlet, who was born in the house of an influential noble family that had produced a lot of Holy Knights, manifested a suspicious Gift called "Incubus" in the conferment ceremony. Furthermore, the only skill attached to that Gift was one embarrassingly called "Peerless."Erio was banished from the city because there was no way his indecent existence could be permitted in a family of Holy Knights, but... somehow he went through an amazing growth when he dealt with his horniness?! In addition, when his childhood friend who was bestowed with the Gift "Sacred Knight" chased after him and reverse ra... did it with him, a lot of powerful indecent skills showed up, and on top of that they even got bound by Master-Servant contract...?!This is the indecent heroic tale of the boy who was gifted with and indecent Gift rising in the world while "getting along" with a lot of girls.(Source: Kakuyomu, translated)

Inma Tsuihou: Hentai Gift wo Sazukatta Sei de Outo wo Owareru mo, Onnanoko to "Nakayoku" suru dake de Chouzetsu Level Up began as web novel on Kakuyomu on September 7, 2020 under the title "Inma Tsuihou: Waisetsu Gift wo Sazukatta Sei de Teito wo Owareru mo, Ecchi na Koto (Hitoriasobi mo Fukumu) wo Suru dake de Chouzetsu Level Up" (淫魔追放～猥褻ギフトを授かったせいで帝都を追われるも、エッチなこと（一人遊びも含む）をするだけで超絶レベルアップ～). A revised and illustrated version of the series has been released by Shogakukan since February 18, 2022 under its Gagaga Bunko label.