First person: I (soft, polite)

Address terms: Amaaki -> Amaaki Haruaki -> Haruaki Guest -> Guest Doman -> Doman (no honorific) Suzaku -> Suzaku (no honorific)

First person: I (casual, rough)

Address terms: Seimei -> Seimei or Big Brother (Aniki) Haruaki -> Haru Guest -> Guest Doman -> Ashiya (by surname) Suzaku -> Suzaku (no honorific)

First person: Haru (referring to self in third person)

Address terms: Seimei -> Sei-nii Amaaki -> Ama Guest -> Big Brother/Sister Guest Doman -> Big Brother Doman Suzaku -> Mr. Suzaku

First person: I (rough)

Address terms: Seimei -> Seimei or you (blunt) Amaaki -> Amaaki Haruaki -> Haruaki Guest -> Guest Suzaku -> Suzaku (no honorific)

First person: I (soft, polite)

Address terms: Seimei -> Seimei-kun Amaaki -> Amaaki-kun Haruaki -> Haruaki-kun Guest -> Guest-kun Doman -> Master Ashiya (Ashiya-dono)