Yukidou Sayaka

優希堂 沙也香

Yukidou Sayaka
Yukidou Sayaka優希堂 沙也香 AB
AliasesInubushi Keiko
Birthday22 February
Hair, Black, Short, Straight
Eyes, Black
Body, Kid
Personality, Kind
Role, Full Sister, Serial Killer, Twin Sister
Engages in, Body Swap, Murder
Subject of, Confinement, Death, Hospitalization, Illness, Insanity, Mental Affliction, Split Personality
Visual novelsMakes an appearance - Remember11 -The Age of Infinity-
Voiced byTomonaga Akane


Satoru's twin sister. <hidden by spoiler settings>She had a split personality disorder, her consciousness "died" at the age of 10 and is replaced by a new one called Inubushi Keiko.

Her "death" is the reason behind Satoru's "project."

Other instances

Inubushi Keiko
Inubushi Keiko犬伏 景子 AB
AliasesSuzukage Hotori
Birthday30 April
Hair, Black, Hime Cut, Long, Sidehair, Straight
Eyes, Black
Clothes, Dress Shoes, Pantyhose, Shirt, Skirt
Personality, Altruistic, Antisocial, Cold-hearted, Kind, Pretending, Selfish, Silent, Timid
Role, Criminal, Full Sister, Serial Killer, Twin Sister, Villain
Engages in, Assault, Basketball, Body Swap, Escape From Confinement, Mass Murder, Sadism, Seduction, Sexual Harassment, Time Travel
Subject of, Avoidable Death, Confinement, Hospitalization, Insanity, Split Personality, Time Loop
Visual novelsMain character - Remember11 -The Age of Infinity-
Voiced byTomonaga Akane


A 19 year old girl with Dissociative Identity Disorder who was convicted of killing 12 people in a hospital in 2009. As a result, she was sent to SPHIA for treatment. She is said to have 11 separate personalities.