【Danbi Raito】Sanae is a [thing] of Marisa’s.

One day, Azumae Higashifudaya is invited to visit her house by Misa Kirisame, but it’s a trap for Misa, who plans to make her her own…
—It’s a book about a young girl who is raped by a two-faced demoness and becomes a prisoner of her own penis!