Natsumi and Summer Holiday

Natsumi and Summer Holiday is a steamy adult novel that follows the provocative adventures of two siblings, Natsumi and the protagonist, during a rainy day at home. As they share intimate moments in the bathtub, their relationship takes a titillating turn. This web novel continues the storyline from 'Natsumi's Secret Milk', delving deeper into themes of desire and taboo. With genres like Adult and Ecchi, and tags like Breast Fetish and Incest, this novel promises a daring and seductive read.