Sword Art Online II

Sword Art Online II (ソードアート・オンラインII) is a Japanese anime series based on the light novel series written by Reki Kawahara. It is the second season of the Sword Art Online anime series and follows the protagonist, Kazuto 'Kirito' Kirigaya, in his adventures within virtual reality worlds. This season mainly adapts volumes 5-7 and parts of volume 8 of the light novel, including the 'Phantom Bullet,' 'Calibur,' and 'Mother's Rosario' arcs. The plot revolves around Kirito's investigation of a series of mysterious deaths linked to the new VR game, Gun Gale Online (GGO), where he collaborates with a sniper named Sinon (Shino Asada) to pursue a player known as 'Death Gun'. Additionally, Kirito and his friends return to Alfheim Online (ALO) to find the Holy Sword Excalibur and Asuna befriends a terminally ill girl named Yuuki, joining her guild 'Sleeping Knights' for a final challenge. The anime aired in Japan from July to December 2014, with 24 episodes, and has been released and broadcasted in many regions worldwide.