1
The worst thing ever. Bakogou gets called kachan by Deku because he's the biggest crybaby in the whole series.
Deku: 'Kachan! Why are you crying like a baby?' Bakogou: 'I'm not crying! I'm just... emotional!'
Bakogou: 'Kachan? I'll show you who's the real crybaby!'
Deku: 'Kachan, you're gonna cry again!' Bakogou: 'I will too!'