Aoi lives as the wife of a construction company president. Her husband Yuya is an excellent manager, and they live without any financial worries. Tatsuo had a crush on Aoi during their student days. Tatsuo is mentally unstable and still harbors obsessive feelings for Aoi. Now that both Aoi and Tatsuo are adults, Tatsuo has been hired at Yuya's company. After the unexpected encounter, Tatsuo overflows with his feelings for Aoi, envies her elegant life, and starts to act abnormally…
