Yuna, a faithful wife, lives happily with her husband, an enviable couple. One day, her neighbor, a NEET man who has been a recluse for 40 years, gains the power to control his mind, and Yuna becomes his target... In the end, she cheats on him and has sex with him in front of her husband, which makes her feel even more pleasure, and while mocking her husband, she vows to submit to the NEET neighbor. Before she knows it, their happy married life has become distorted, with the NEET neighbor at the center...