Ryuji Sakamoto

Ryuji Sakamoto (坂本 竜司, Sakamoto Ryūji)  is a student at Shujin Academy who using the Phantom Thief codename "Skull". In the past, he was a talented member of Shujin Academy's track and field team. After Kamoshida broke his leg when he stood up to him, he was compelled to quit the team. Because of attacking of Kamoshida, the track team was suspended; blamed for the incident, he earned a reputation as a delinquent at the school.

On the first day of Ren Amamiya's encounter at school, he accidentally entered Kamoshida's Palace. Although Ren awakened his persona and assisted by Morgana, he successfully escaped from the palace, but later he entered the palace with Ren in order to understand the incident. When Ren and Morgana were defeated by the guards of the Shadow Kamashida, they learned their thoughts from the mouth of the shadow Kamashida, aroused their anger at Kamashida and awakened his persona "Captain Kidd".