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Hello! I need help to find a manga I wish to re-read.

So this is a veeery old manga I'm looking for. It was from a famous mangaka of the time... Maybe around 2010? Uke has long black hair and can turn into a cat! And I believe the seme is lika a jaguar. He's rich and blonde.

Thanks in advance for the help! ٩(๑❛ᴗ❛๑)۶