Usamimi Bouken-tan: Sekuhara Shinagara Sekai wo Sukue

This is the adaptation of the video game in the circle Doujin Loser/s.

Our hero enters a mysterious imaginary world, where he meets a young girl with rabbit ears. She tells him that he is a hero destined to save the world. However, saving the world is not so easy when our hero’s libido is off the ladder, and his companions are all sexual idols of his lustful fantasies.