My stepmother and I were handcuffed together.

人並の幸せを求め再婚をした明日花だったが、暴力を振るう夫・守との生活に苦しんでいた。 Mamoru's son, Satoru, also suffers from daily violence from Mamoru and cannot talk to anyone about it. One day, Mamoru, who was furious over something trivial, handcuffed Asuka's right hand and Satoru's left hand, telling them to keep an eye on Asuka at all times. From that day on, the two were forced to eat and sleep together. The mother-in-law and her son, who are suffering from the same pain, gradually become closer together...