Nao Shindo, an overworked office employee who never takes a break, lives a simple and peaceful life. She finds happiness during her rare days off, spending her time cooking and enjoying moments of tranquility. However, her quiet life is turned upside down when Ren Kazama, a notorious Yakuza boss known for his cruelty and stern demeanor, falls in love with her. Ren, infamous for his cold and ruthless nature toward his subordinates and the women around him, reveals an entirely different side when it comes to Nao. He becomes obsessed with her, showering her with overwhelming love and unexpected attention. Caught between her desire to escape the dangers of his world and the pull of his deep emotions, Nao finds herself in a battle of heart and survival.