[Himeno Mikan] My Little Sister Excessively Coddles Me With Boobs and Affection (COMIC LO 2025-02) {Mistvern}

An earnest young man finds himself thrust into a forbidden caretaker role as his older sister‑turned‑aunt, Mami, eagerly trains him in intimate ways, using her voluptuous body and affectionate gestures to push his boundaries. Their secret sessions, ranging from playful licking to passionate embraces, tease a growing tension between duty and desire, all while the relentless affection of his little‑sister‑in‑law fuels the heat. The story unfolds with a mix of shy curiosity and bold intimacy, promising a provocative exploration of familial bonds turned erotic.