kachan - Bakogou's worst nightmare. Deku calls him kachan because he'

Bakogou's worst nightmare. Deku calls him kachan because he's the biggest crybaby in the whole series.

Deku: 'Kachan, you're the biggest crybaby!' Bakogou: 'I'm not a crybaby!'

Bakogou: 'Kachan? I'll show you who's the real crybaby!'

Deku: 'Kachan, you're gonna cry again!' Bakogou: 'I will too!'