They aren't blood vessels, they're bean paste vessels
BANG!Based on this internal scan, the baby-yus who do not measure up to our standards...After the eyeballs and small teeth have been removed, they shift to the next process.Then, the baby-yus that have finished their examination are collected in one place...are immediately removed with a blast of air!An even stricter sorting takes place among the just-skinned baby-yus.