"Are you sick?"
"You are the one who is sick!"
The above is a conversation that only occurs between normal people.
"Are you sick?"
"Ah, I'm sick."
The above is the dialogue between our protagonists.
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It tells the story of a mentally ill boy and his mentally ill family members who work together with their top school tenant to become well-off.
School bully hires public attack x school bully suffers from mental illness
Update by chance