Katei Kyoushi no Onee-san ~H no Hensachi Agechaimasu~


TitleKatei Kyoushi no Onee-san ~H no Hensachi Agechaimasu~
Original title家庭教師のおねえさん~Hの偏差値あげちゃいます~
LengthMedium (10 - 30 hours)
DeveloperAtelier Kaguya BerkshireYor...
Publishers Atelier Kaguya & AiCherry
Related anime[DB-ANN] Kateikyoushi no Onee-san The Animation: H no He... (2007)
[DB-ANN] Kateikyoushi no Onee-san 2 The Animation: H no ... (2010)


Touya started to live with four tutors during the summer holiday. His father has gone abroad for business and his life has become a paradise with four beautiful women. Erotic lessons by four teachers have begun!!!

[Edited from ErogeShop]

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Main characters

Onodera Rio
Onodera Rio小野寺 理央 
MeasurementsHeight: 162cm, Weight: 53kg, Bust-Waist-Hips: 85-53-86cm
Hair, Claret, Waist Length+
Eyes, Red
Body, Average Height, E+ Cup, Pale, Teen
Clothes, Jacket, Miniskirt, One Piece Swimsuit
Personality, Friendly, Kind, Naive
Role, Tutor
Engages in (Sexual)
Subject of (Sexual)
Voiced byKusunoki Suzune


Protagonist tutor and studying to be a teacher. Is very kind but naive. Helps with protagonist sexual desire if he promises not to bother other women.