Luca Carté: The protagonist of this story who got transmigrated into a world full of demi-girls and is one a mission to 'save' them.
Lucille Florence: The first person Luca meets in this world, and is the most beautiful person Luca has ever seen in both worlds.
Astrid Deutschland: The minotaur girl that wore a labcoat, and looked calm and composed when Luca first met her.