You

Overview
You are the main character and the player of Monster Girl Island, you arrive in the beach of the island after having a dream without any clue of how you get there, you wake up with a naked android girl over you and a dragon girl waiting to kill both.

After that you'll be rescued by two girls, a Nekomata called Ara and a Dark Elf called Faranne, after a short conversation with them you'll be thrown into the world to explore and find as many monsters girls as you can.

Appearance
You have a bag in the head with a smile in it, you don't wear any clothes, you are white-skinned and have an average build.