疎遠になっていた幼馴染（彼氏あり）をセフレにしてみた

Discover the provocative world of Soen ni Natte ita Osananajimi (Kareshi Ari) o Sefure ni Shite Mita (LN), a Japanese light novel that pushes the boundaries of traditional romance narratives. Dive into the intricate web of relationships involving childhood friends, love interests, and forbidden desires. As the protagonist takes advantage of his childhood friend's vulnerability to create a friends-with-benefits dynamic, the story unfolds with themes of affair, brainwashing, and polygamy. With a mix of ecchi, harem, and mature elements, this novel offers a daring exploration of human emotions and the consequences of following one's desires.