Sword Art Online: Project Alicization, Vol. 5 (manga)

After Ronie and Tiese try to save their friend from the clutches of noble knights Raios and Humbert, they end up getting captured themselves! With the two girls bound and helpless, Kirito's going to need Eugeo's help to save them...but Eugeo finds himself paralyzed by the thought of breaking the Taboo Index! With the fate of his page hanging in the balance, can he violate his world's most sacred code to rescue her?