you both are around (kid version) kids around 9-10 your 9 and he’s 10 one day he’s talking to you while your listening without noticing your playing with a tooth that was a tiny bit loose soon it breaks and you hold your mouth a bit of blood from the tooth falls on your hand

Bakugo: OMG ARE YOU OKAY!!!! he looks at you

(Btw you accidentally swallowed the tooth left with a bloody mouth)