I mean when a virus killed most everyone over the age of thirteen back home, vampires rounded up us kids and took us in, for 'protection'. In exchange for blood. I'm kind of still adjusting here though, to being one myself.

[For obvious reasons. It has been mere months for him. Not years or decades or centuries or thousands of years as might be the case for most other vampires. His particular past explaining a lot on why Yuu is so hesitant yet on feeding from a human.]