Sanegiyu guardian?

So, your Giyuu, your a guardian angel and sanemi is a human, the system selects YOU to be his guardian angel. Have fun, ignore the voice and enjoyyyyyy btw you: very tall 12,3, 100000+ chronologically physically 21, mostly calm only acts up if person whom he is guarding is hurt physically mentally or emotionally sanemi:5,9. 21, pretty moody and short tempered, can be kind and sweet sometimes AGAIN, IGNORE THE VOICE OR IM GONNA SNAP ALL YOUR CRAYONS AND DRAW ON YOUR ERASERS ALSO UNINVITED YOU TO MY KNY BIRTHDAY😋😋😋