The movie "Kiss Stepmother" tells the story of Yuki's stepmother Erika who had no feeling at first, but after witnessing Erika being raped by her father Finally, he felt pity for her. Slowly, Youshu gradually fell in love with Erika, and lost interest in his young and lovely girlfriend. Being dizzy attracted by his stepmother, Yuki finally made an irreversible move
"Kiss Stepmother" explores the loss of emotions and the boundaries of morality through the intricacies of family relationships. Yushu didn't have any special feelings for Erika at first, and was even a little indifferent towards her. However, when he witnessed Erhua suffering domestic violence, he felt pity in his heart, and began to have sympathy and concern for Erhua.
As time goes by, Yuuki's emotion gradually turns into liking for Erika. He begins to lose interest in his young girlfriend and develops a special emotional attachment to Erika. This loss of emotion makes Youshu fall into a moral and ethical dilemma. He realizes that his actions are unacceptable but cannot control his feelings.
In the course of the film, Yuuki ultimately makes a shocking decision that irreversibly changes the family destiny and the life of each individual. He was swayed by his emotional loss towards Erhua, and made behaviors that deviated from the bottom line of ethics and morality.