Ep 20. Sleeping Knights

Kirito meets a group of powerful players known as the Sleeping Knights and agrees to help them with a difficult quest. Their leader, a girl named Yuuki, confides in Kirito about her terminal illness and her desire to fulfill her dream of defeating a boss on the 27th floor. As they embark on the quest, Kirito learns more about the Sleeping Knights and their tight-knit bond. However, they soon discover that the quest is much harder than they anticipated. Kirito uses his skills and experience to strategize on the best way to defeat the boss, but it may not be enough. As the group faces their greatest challenge, Kirito and Yuuki form an unbreakable bond that will forever change his outlook on life.