The Search for My Maid Within a Succubus Book

Wrapped in the light emanating from a mysterious book, the protagonist finds himself transported to a world of succubi! - In this world, lustful succubi abound, and lewd battles are the norm. - Just as he tries to escape, his childhood friend—a maid—gets kidnapped by someone... - Will he be able to save her, or will he fall victim to the succubi's seductions and temptations?​