Imouto no Tabekata

A young man named Haruki has always been obsessed with his younger sister, Miki. His feelings go beyond sibling affection, turning into a dark and consuming desire. He watches her every move, memorizing her habits and routines. The more he tries to suppress his urges, the stronger they become. One day, he decides that the only way to truly possess her is to make her a part of himself, both physically and spiritually. He begins to plan a horrific act that will bind them together forever.

Haruki's obsession escalates as he prepares for the unthinkable. He researches methods and gathers tools, all while maintaining a facade of normalcy around Miki. She remains oblivious to his intentions, trusting him completely. The story delves into the depths of his madness, exploring how love can twist into something monstrous. As he carries out his plan, the line between devotion and destruction blurs, leading to a shocking and irreversible conclusion that leaves nothing but the echo of his twisted love.