Eguchi-san Chi no Junjou Succubus江口さんちの純情サキュバス; Miss Eguchi's Pure-Hearted Succubus; Eguchi-san's Pure-Hearted Succubus; Nàng Succubus Thuần Khiết Của Eguchi

Eguchi Hibiki is a manga artist who has knowledge but no understanding of erotica. While wondering what exactly erotica is, Hibiki meets Yasaki Mia, a succubus who is also wondering about erotica. The two are somewhat similar and decide to work together to understand "true erotica."