Monster ga Shihai Suru Isekai de Mamonotsukai ni Natte Haramase Hunt de Kyuuseishu ni Naru ~Ningen Gotoki ga Warera to Seishoku? Minohodo o Shire!~
Original title: モンスターが支配する異世界で魔物使いになって孕ませハントで救世主になる ～人間如きが我らと生殖？身の程を知れ！～
A man filled with pent-up sexual frustration is one day summoned to another world as it's would-be-savior.He awakens as a powerful wizard, and is tasked with saving humanity from demons.
The powerful demons are all beautiful women, so using his powerful magic and equally powerful dick, he sets out to turn these demons into his personal onaholes!