Saimin de Onii-chan ni Narisumashite Joushiki Kaihen Shite Kurumi-tan ni Sukihoudai Shichau Hon | A book about using hypnosis to become Big Bro and warp Kurumi-tan’s common sense to fuck her silly. [Digit
Karui Kimochi de Keijiban o Arashite Itara Kyuuketsuki no Imouto Kenzoku | The story of becoming the vampire princess’ little sister underling because you spammed the imageboards.