​Witness the heartwarming tale of a sickly child desperate to improve their immunity in the captivating hentai episode. As an experiment designed by their caring parents, the protagonist embarks on a journey to bolster their health through extended hugging sessions with their beloved sisters. In this particular episode, the adorable and delicate Sumi takes the stage as the chosen partner. Brace yourself for a charming display of familial affection, as the tender embrace between the protagonist and Sumi unfolds. Prepare to be captivated by this unique and heartwarming story, filled with warmth, love, and the enchanting power of physical connections.​