Hentai based on the manga of the same name by Sakura Ashika.

Yamada Seiji is a twenty-two-year-old guy who does drawing and manga. He is in love with Hanazaki Sono, whom he met about a month ago. Sono is a fairly well-known artist in narrow circles who mainly draws youth manga of erotic content. But somewhere you have to get material for creativity, that's where our main character came in handy...