The Reborn Self Has Its Own Space System and Is Favored by the Group

I was originally a top being in the Nine Heavens of the Kaiyuan Century, but unexpectedly I was stabbed by the man I had loved for many years. When he woke up, he found that he was reborn as a mortal, in a strange world, with strange human costumes. Hey, my space actually came with me, and it even has an extra system.