Seryu is a young woman with auburn hair and amber eyes. During her first appearance, she wears her hair in a shoulder-length ponytail, She is typically seen in her military uniform in favor of dresses and casual wear. Her arms are metallic in place of flesh due to the heavy body modifications performed by doctor stylish. Seryu Ubiquitous is a member of the Jaegers, She is a young girl with a strong (and twisted) sense of justice and is the owner of the Teigu, Hekatonkheires which she call koro