Kasumi, whose relationship with her remarriage partner Yozo has cooled down, dotes on her biological child Takashi, and treats her stepchild Nobuo coldly. Nobuo tries his best to win the love of his favoritism mother-in-law, but his actions are nothing but an eyesore for Kasumi. On the other hand, love with Takashi deepens and finally crosses the line. Unable to bear reality, Nobuo called his biological mother and asked for help. Burning with anger, Yuri comes into Fubuki's house...
