Harem King's Journey in Another World : The Strongest Warrior Uncle Takes Wives from All Races is a Manga/Manhwa/Manhua in english language, COMEDY 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

A man who died a lonely death wished to be reincarnated as a "s33d-sowing Ojisan Version" by the goddess Nike, and he was reborn as Genji