Ichijō is mentioned by Jin as one of the candidates for Fūjin.
Karasuma mentions that Ichijō is around the No. 6 Attacker.
- Jin refers to him by his first name and with no honorific, which could mean they're close, as referring to a stranger or someone you're not close to by their first name is considered rude in Japan.
- He's named after a character from Ashihara's oneshot Room 303.