Butters Stotch is caught in the middle because he was seen distributing flyers for the new sushi restaurant. The local police, led by Sergeant Yates, blame Butters for "starting" the war.
While the restaurant war rages, Butters' parents become convinced he is mentally ill due to the "trouble" he has caused.
Tuong Lu Kim, the owner of City Wok, is furious about the competition and is further insulted that the townspeople of South Park cannot distinguish between Chinese and Japanese cultures. [S15E6] Hot Shots
He is sent to Dr. Janus , a psychiatrist who misdiagnoses Butters with Multiple Personality Disorder (Dissociative Identity Disorder).
South Park Season 15 Episode 6 Recap: City Sushi - TV Fanatic Butters Stotch is caught in the middle because
It is eventually revealed that Dr. Janus is actually the one with severe multiple personality disorder. He has been filming himself dressed as Butters, performing bizarre and criminal acts—such as breaking into Butters' room to assault him or urinate on him—and then blaming the boy for it.
The story of , titled " City Sushi " , revolves around an escalating "Asian turf war" and a dark psychological subplot involving Butters. The Asian Turf War Tuong Lu Kim, the owner of City Wok,
After a series of "friendship" exchanges designed to shame each other, Lu Kim eventually tricks the City Sushi owner, Junichi Takiyama, into a public display of shame that leads to Takiyama's suicide. Butters’ Misdiagnosis