Chapter: Prolouge Julian

Julian is dead. straight up end of conversation. Julian is an archangel. He is quiet, locked in his shell as he makes his way through modern schools. he died in 1813 at 19 years old. Now living with his great,great, great granddaughter as his mother and her kids as his adopted 'siblings'.
what happens when he finds his soulmate?
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Oliver is your normal rich boy. He is a bit to petty, a little too nicely dressed all the time, a little too snobby towards underlings. He had straight A's, the perfect family life with his sisters and two mothers, his only friends worthy of him. Until the robbery happened, and a bullet to the chest ended it all as he protected his family.
How does he react when he wakes in Julian's attic room?