This video is a gameplay of the visual novel " Moto! Haramase! Honoo no Oppai Isekai Ero Mahou Gakuen!"from the Milk Factory Studio released in April 2018. 

The protagonist of the story of a young aspiring writer Takemikazuchi, which gained popularity due to its web novel "Romance of history". This novel describes the distant future, where humans and elves live peacefully together and between them there are romantic relationships. Once our hero took a bath, thought about his future creation and lost consciousness, plunged into the water. He quickly woke up and vynyrnul, but that was not his usual tub, but a real bath! And Takumi was hugging some naked elf girl with incredibly huge Tits. The hero thought " Since this is a dream, it would be good to pour milk from Boobs..."and at this moment the girl strained hard and let out a moaning cry, after which a jet of hot sweet milk burst out of her big elastic Boobs. Our hero was not only the author of the history of the world in which he got, he was also her current screenwriter...