My Sister-in-Law Has a Complex of Being a Super-Sensitive Full-Body Sexual Sensation Zone Who Feels Just the Slightest Touch! Help Me Improve My Constitution (2023)

Hina-chan, the sister-in-law, has a unique complex where her entire body is extremely sensitive to touch. She confides in her brother's friend, Tsuji, a homeroom teacher, about her condition and how even slight contact makes her feel aroused. As they spend more time together, Tsuji helps Hina-chan become desensitized to touch through various methods, including skinship and intimate contact. The story revolves around Hina-chan's journey to overcome her sensitivity and explore her desires, all while navigating the complexities of her relationships with those around her.