My friend's mother

Tachibana is smart and has been bullied by those around her, and is bullied by her quiet classmates behind the scenes. However, when she learned that her classmate's mother, Yui, is beautiful and has big breasts, she began to show off her unusual friendship. A pitiful classmate has been completely deceived by Tachibana... He takes his mother home without even realizing that he is being targeted. And Yui herself didn't notice either. Tachibana stared as she stared as if to deserve her plump bust...