|Aliases||雫 -しずく-, Drip|
|Length||Short (2 - 10 hours)|
|Publishers|| Aquaplus & Leaf & Submarine600|
|Links||Wikipedia (en), Wikipedia (ja), Wikidata, MobyGames, VNStat|
When one of his classmates suddenly goes mad in the middle of the class, the protagonist's uncle, one of the teachers in the school asks him to investigate this matter after school. He starts the investigation with the help of one of the girls from his class, an investigation that will lead them to many horrors...
|Aihara Mizuho藍原 瑞穂|
|Body||, Pale, Teen|
|Clothes||, Glasses, School Uniform|
|Role||, Friend, High School Student, Student Council Secretary|
|Subject of||, Other Route Rape, Rape|
|Voiced by||Tachibana Mai (Renewal)|
Secretary of the student council. Has been a close friend of Kanako since middle school.
|Oota Kanako太田 香奈子|
|Role||, Antagonist, Girlfriend, High School Student, Student Council Member|
|Engages in||, Other Route Rape, Rape|
|Subject of||, Insanity, Mind Control|
|Voiced by||Imai Kaoru (Renewal)|
Vicepresident of the student council. Very popular and with good grades, suddenly became mad in the middle of classes.
|Shinjou Saori新城 沙織 O|
|Hair||, Long, Red|
|Clothes||, School Uniform, Sport Bloomers|
|Personality||, Energetic, Friendly|
|Role||, High School Student|
|Engages in||, Suicide, Volleyball|
|Subject of||, Other Route Rape|
|Subject of (Sexual)||, Vaginal Fingering|
|Voiced by||Takatsuki Sakura (Renewal)|
Member of the volleyball club, saw a mysterious group at night.
|Tsukishima Ruriko月島 瑠璃子|
|Hair||, Blue, Short|
|Clothes||, School Uniform|
|Role||, Full Sister, High School Student, Psychic|
|Subject of||, Avoidable Rape, Rape|
|Voiced by||Ichinomiya Sakura (Renewal)|
School idol until about one year before, when she suddenly became very strange and aloof. Seems to have some interest in Yuusuke.
|Tsukishima Takuya月島 拓也|
|Role||, Antagonist, Boyfriend, Full Brother, High School Student, Psychic, Student Council President, Villain|
|Engages in||, Mind Control, Rape|
|Engages in (Sexual)||, Incest|
|Voiced by||Izumi Ayaka (Young Takuya (Renewal))|
Tanaka Daisuke (Renewal)
Big brother of Ruriko and president of the student council. <hidden by spoiler settings>Was behind Kanako's madness and the recent night meetings at school.