Iku Iku ♡ Succubus Saikyouiku ~Rakudai Inma no Koukan Ryuugaku Nisshi~

Hentai protagonist Busujima Tanehisa is captured by succubus Lima Grimalkin. She offers him the job of re-educating some pesky succubi who fail the final exam time after time. The first succubi assigned to Busujima are Iko Bicorn and Ruku Orkus, who, although sexy in appearance, are extremely violent and inept at using their charms....