3Ping Lovers! Ippu Nisai no Sekai e Youkoso Ep.1 English

The main character, Tomohiro Kutsuki, has been summoned to the world of Eunifonia by the two lovely ladies Alice and Freya as a hero who can help save the world. Well, how can Tomohiro, an avid otaku, help, you ask? What’s so special about him? It’s that his sperm is capable of increasing magical powers! And the first task on the way of our protagonist and six beautiful companions is to wrest the kingdom of Ephonium from the hands of the Magic Four.