Sin Kiske  

, シン=キスク

Sin is an important character in Guilty Gear who is the son of Ky Kiske and The Maiden of the Grove. He travels with Sol Badguy throughout most of the game. Despite not getting along well with his father, he has a deep love for his mother. He wears an eye patch on his right eye for unknown reasons. As a child, he was kept on a chain by Sol and always carried his favorite stuffed animal Chimaki with him. Sin is targeted by the antagonist Valentine due to his Gear cells which make him The Key to open and unlock The Cube. He struggles in organized settings and may come across as insensitive at times, but his simple and innocent personality can be refreshing. He also has an optimistic and cocky side, and considers food important. Over the past few years, Sin has traveled with Sol as a bounty hunter and has faced numerous challenges. He trusts and looks up to Sol as a father, friend, and mentor, and is currently enjoying his journey.