Sword Art Online is a Japanese light novel series written by Reki Kawahara and illustrated by Abec. The series follows the story of a young man named Kirito who becomes trapped in a virtual reality video game called Sword Art Online. The game requires players to complete 100 floors of a tower in order to escape, but if they die in the game, they also die in real life. As Kirito and his friends progress through the game, they face various challenges and encounter other players who become their allies and enemies. The series has been adapted into multiple anime series, manga, and video games, and has gained a large following worldwide.

Attack on Titan is a Japanese manga and anime series written and illustrated by Hajime Isayama. The story follows the adventures of Eren Yeager, a young man who vows to protect his friends and loved ones from the Titans, giant humanoid creatures that have brought humanity to the brink of extinction. Set in a post-apocalyptic world where the Titans roam the land, the series explores themes of survival, loyalty, and the will to live. The series has been hugely popular, with both the manga and anime adaptations receiving widespread critical acclaim. It has also inspired spin-off media, including light novels, video games, and a live-action film adaptation.

One Piece is a popular Japanese manga series written and illustrated by Eiichiro Oda. It has been serialized in Shueisha's Weekly Shōnen Jump magazine since 1997, with its individual chapters compiled into tankōbon volumes. The story follows Monkey D. Luffy, a young pirate whose body gains the properties of rubber after unintentionally eating a Devil Fruit. With his diverse crew of pirates, named the Straw Hat Pirates, Luffy explores the Grand Line in search of the world's ultimate treasure known as "One Piece" in order to become the next Pirate King. Along the way, they encounter and battle other pirates, bounty hunters, revolutionary armies, and various other threats.