|Japanese Name||四ノ原 相一郎|
|Romaji Name||Shinohara Souichirou|
|Character Code||Originally 0304 & 0310|
Souichirou has pale fair skin; wavy, pale, almost gray blonde hair that is parted on the right and tied in a low ponytail. He wears a gray suit with a black tie and has bristle on his chin. His eyes have small black irises and are heavily bagged.
Based on the comics, Souichirou seems to care for his students as he asked Tsubaki how she got her injuries. He is also possibly a coward, or at least scared of Kisaragi, as shown in "Dying From Secondhand Smoke."
Not much is known about him.
Toru is one of Souichirou's students.
Alice is one of Souichirou's students.
Tsubaki is one of Souichirou's students.
It is unknown what type of relationship does the two have.
- "Shinohara" means "Four Fields", while "Souichirou" means "Phase" / "Reciprocal" / "Mutual One Son".
- "Th-That aside, smoking isn’t allowed! Put that out immediately!"