In The Land Of Leadale, Vol. 5 (manga)

"After the incident in Helshper, not only has Cayna gotten evidence that there are other players in Leadale, but she's also felt an echo from the past from her old friend and fellow Skill Master, Opus. Now back in Felskeilo, Lonti introduces her to a classmate from the Royal Academy who has some secrets of her own, and a particularly fearsome monster threatens to destroy the capital...Can Cayna save the day once again?"--