I'm Gang R***d By My Son's Classmates, Everyday Kyoko Yabuki

Kyoko remarries a man named Takumi, who is divorced with a child. She worries about whether she can get along with Takumi's son, Shinji, but thanks to his gentle nature, she lives a happy life. However, Kyoko doesn't know one thing: the fact that Shinji is "bullied" at school. Then one day, Shinji brings a classmate home. The moment the classmate sees Kyoko, the stepmother living in Shinji's house, where he has been without a mother for so long, the look in his eyes changes...