Sorimachi has shoulder length brown hair which is kept back with the help of a hair fastener. His face is constantly pursed and his eyebrows lowered to keep up his tough guy act.
Sorimachi is backing Reiichi up when he confronts Ichigo during lunchtime. When Reiichi is tossed across the roof by Chad the concerned Sorimachi rushes to his aid while saying that's why he told Reiichi not to do this.
- Although he does not appear in the anime prior to episode 227 his name, along with Ōshima's, is mentioned by Misato Ochi in episode 65. He is mentioned again by Misato Ochi in episode 110.
- Sorimachi has an older sister named Wakako Sorimachi (反町 和香子, Sorimachi Wakako) who was 24 years old when he enrolled at Karakura High School.
- BURN THE WITCH one-shot volume, page 109
- Bleach manga; Chapter 0.8, page 9
- Bleach manga; Chapter 7, pages 10-12
- Bleach manga; Chapter 29, page 9
- Bleach anime; Episode 65
- Bleach anime; Episode 110