Yuna, a faithful wife, lives happily with her husband, an enviable couple. One day, her neighbor, a NEET 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 him, 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 a twisted one centered around the NEET neighbor...