The story of how I kidnapped my beautiful cousin Aki-chan, who wanted to grow up beautifully, and confined her in my filthy room where I've become a shut-in NEET. Moko Sakura
After a long time apart, Kiyoshi compliments Aki, saying, "You've gotten prettier." He had been looking forward to seeing her again, but Aki's response is cold and distant. Once, she used to cling to him affectionately, calling him "big brother" every time he came over. Now, she looks down on him as if he were trash. Her attitude pushes Kiyoshi, a shut-in NEET, over the edge...!