Isekai Affair (Part 2) is a Manga/Manhwa/Manhua in english language, R-18 series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

An office worker, Yuuto Aida, witnesses his wife's affair at home! When he jumps out of the house, he gets hit by a truck and is reincarnated in another world as a hero!! However, due to the misunderstanding about Goddess Reincarnation, he only had one skill, it was a skill that could captivate other people's wives!! (MTL)