Phd Phantasy Degree Vol 5 Author:Son Hee-Joon As Sang struggles to remember her identity and purpose, Oedipus' sister Iris goes missing in the dangerous and troll-inhabited Forest of Ants! Oedipus, Sang, and their friend Hexion set off to rescue Iris--but will they find her before it is too late? And even if they save Iris, will Sang remember anything about the adventure?