Kiyoshi is fired…. He thinks why he can’t always live a good life. Yes, this is because of Shiro, his father, and friends. His grudges gradually grow bigger and he finally decides to take revenge on them. At first, Tsuyoshi, his older brother. He chooses Tsubame, Tsuyoshi’s wife, as the first target girl. Next, Ryuji, his ex-coworker. Ryuji’s wife is Rin. Kiyoshi was actually in love with her when he was a university student. Ryuji, however, stole and married her! Lastly, Hanae, Shiro’s current wife. He chooses Mika, their daughter, as the third target girl. Like this, his revenge plan is carried out now….