Similar to Slash! There are many animes in Crimson Pupils. Here are some recommendations: "Sword Art Online": This is a virtual reality themed anime that tells the story of the protagonist Kirito and the other characters 'adventures in the virtual reality world. [2]"Attack of the Giants": This is an anime with the theme of the battle between humans and giants. It tells the story of the growth of the protagonist Alan and the other characters. [3]"The Blade of Ghost Destruction": This is an anime with the theme of ghost hunting. It tells the story of the protagonist, Tanjiro, and other characters destroying ghosts together. 4 "Fate/Zero": This is an anime that focuses on the intersection of history and the fictional world. It tells the story of the complex relationship between the protagonist, Rin Tosaka, and the various characters. 5 "Gate of the Stone of Destiny": This is an anime with the theme of time travel. It tells the story of the protagonist, Kazuhiko Hayaba, and the other characters discovering the truth of time travel. The above are some recommended games similar to Slash! I hope the animation of Crimson Pupils will be of help to you.