Hollis's Questions (3)

Does anyone knows about a girl got Isekai and have the ability to be a cat and she's a noble and is a villainess in the story and has a friend? Who is a cat god or something and also she has a fiance who hate her but slowly liking her

Do guys know about this like an idol purple/pink hair guy that is alpha and some brown hair guy is omega and has their baby, they know each other since childhood but got separate ways the brown hair guy doesn't remember the purple/pink hair guy and also the brown hair guy is older like early thirty's something

The story take place in china and is in kinda middle of a war but mostly about opera songs there's a red head opera man and a military blonde guy this is a bl ok and its historical theme and it has a beautiful art style like chefs kiss please do help me find this thank you.
(Sorry if my English sounds wrong)