Manyu's Dad confirmed us Manyu has a sister, she's a Ragdoll and her name is Ying.
She appears on Manyu's website (https://manyuland.com/products/blue-cypress-spa-gloves-for-pets-natural-deodorizing-and-nourishing-care).

Translated convo:

-Hi! I'm a huge fan of Manyu! I was browsing your website for a care balm for my English Bulldog and I spot a cat there.
What a beautiful Ragdoll! It is a boy or a girl? It’s absolutely stunning, is it yours aswell?

-Yes! Her name is Ying.

$YING - Sister of Manyu is being protected by @Safeguard

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Here's ChatGPT translation.