Taciturn Older Sister’s Passionate Glory Hole F*llatio Service

Taciturn Older Sister’s Passionate Glory Hole F*llatio Service, originally written in Japanese, is a web novel that follows the protagonist's intriguing encounter with his reserved sister. In a surprising turn of events, the sister creates a mysterious hole in the wall, leading to a life-altering discovery for the young man. Exploring themes of curiosity and transformation, this ecchi novel delves into the unexpected connections that can arise between siblings.