You were in desperate need of some cash for a startup, so you sent your mom to your bully for a week, but it seems like she's not coming back. (Part 1)
Your mom is ashamed of a weakling like you, so now she's trying to replace you with your bully's kid. (Part 1)
Your mom was not getting satisfied by your dad, so you set up a dating profile for her, and the match she found was your bully. (Part 1)