Dive into the world of Natsumi’s Secret Milk, a gripping web novel that follows the forbidden bond between siblings. Experience a tale of love, desire, and secrecy in this adult and ecchi genre story. Join the male protagonist as he grapples with the complexities of modern-day relationships, where unexpected twists and turns await at every corner. With themes like breast fetish and incest, this novel promises a rollercoaster of emotions and revelations that will leave readers captivated till the very end.