Hisashi Kayaba

Hisashi Kayaba (茅場ヒサシ) is known as Ravier in Gun Gale Online and ALfliem Online and a recurring characters Sword Art Online He is the Older brother of Akihiko Kayaba the development director and GM (Game Master) of «Sword Art Online» and work for the Ministry of Internal Affair's Telecommunications Bureau and later as the Headmaster at Special Extra Education Recovery School SEERS.

Real World / Sword Art Online / Project Alicization Avatar
Hisashi has black hair and brown eyes and glasses

Personality
Hisashi is described to have a fussy personality, though he is capable of being very calm, Hisashi is shown to be extremely laid-back as described by Shuto.

Hisashi appeared to very strict but polite man and is notably portrayed as being quite understanding towards those who survived from SAO and felt extremely guilty for his brother actions.

Hisashi also enjoyed looking out for other orphans and children and he runs a community that taking care of orphan children due to having been an orphan himself.

Background
Hisashi was an orphan along with his younger brother Akihiko and live in Sunnyside Orphanage. Hisashi was a student of the Shigemura lab in the «Touto University of Electrical and Electronic Engineering» after graduating Hisashi began studying in America after 2 years He returned to Japan where he made a fortune as Chief Director of the Company Sol Tech that develops new technologies.

Sometime Later he resigned from Sol Tech and became a member of the Ministry of Internal Affair's Telecommunications Bureau and after earning immense wealth rather than living off his fortune, Hisashi founded his F.E.A.S.T. homeless shelters to ensure nobody would ever feel forgotten or abandoned.