Recently, my second son, Kenta, has been coming over to our house with his girlfriend. A mother watches her son grow up with a smile. But at the same time, a flame of jealousy dwells in Kokoro... I love my second son, Kenta... I don't want anyone to take him away... I lost control and proposed a dangerous plan to my eldest son... A mother who dotes on her son. Dangerous gears begin to turn.