I think husky and his white cat shizun has a similar story, but the MC (seme) is a very cruel tyrant (close to being a demon). U can download the volumes from int3rn3t arch1v3 2 reply
check these reddit post out, so many recs
https://www.reddit.com/r/DanmeiNovels/comments/1n4a0aq/danmei_with_supernatural_creatures/
https://www.reddit.com/r/DanmeiNovels/comments/1eh2wq4/looking_for_danmei_recs_with_supernatural_partners/ reply
