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A childhood friend of Erza, having known her during the days she and their friends were kept as slaves and forced to build the Tower of Heaven.
Shou's bioShou who was brainwashed by Jellal believes Erza betrayed him and his friends by leaving them. After Erza and her friends are relaxing and enjoying their time at the casino, Shou is dealing cards to Erza. With the right moment, Wally takes care of Natsu, Milianna takes down Lucy, Simon takes down Juvia and Gray, and Shou handles Erza. After a successful kidnapping of Erza, Shou talks to Erza on the boat asking her why she has left them.
During the Nirvana Arc, Erza and Simon have finally convince Shou that Jellal is the bad guy not Erza. Before meeting Jellal, Shou desperately want to show Erza that he is good by trapping Erza into his card and bring her to Jellal himself. Along the way, Shou meets one of the assassins, Ikaruga. Ikaruga easily injures Shou and frees Erza from Shou's card. After Erza defeats Ikaruga, Erza tells Shou to leave the tower because she will take care of Jellal and does not want to endanger Shou due to the magic council's etherion countdown.