Hen na Chishiki ni Kuwashii Kanojo Takayukashiki Souko-san (Webcomic)

Hen na Chishiki ni Kuwashii Kanojo Takayukashiki Souko-san (Webcomic) manga summary: Takayukashiki-san knows many things that are way too weird(especially perverted things). With her, you will become a little wiser and a little more indecent. A comedy manga that will satisfy your perverted curiosity!