There were many anime that were similar to the monster princess. " Sword Art Online ": This is an anime set in virtual reality. The main character, Kirito, encounters all kinds of monsters in the game and makes many friends. 2." Attack on the Giant ": This is an anime set in the background of a battle between humans and giants. The protagonist, Alan, grows up in the battle. The battle with the giant is also full of thrills and touching. 3 " The Gate of the Stone of Destiny ": This is an anime set in time travel. The protagonist, Kazuhiko Hayaba, encounters various strange creatures while solving a puzzle. At the same time, many unexpected things happen. 4.<< Index of Forbidden Magic Books >>: This is an anime set in the context of the struggle between magic and science. The protagonist, Tama Sujo, encounters various powerful monsters in the process of being involved. The above are some animes that are similar to or deeply influenced by the Monster Queen. I hope they can help you.