Translations (from right to left):
Yin: "He~i, I want to hold Mao-kun too~"
Hei: "No."
Mao: "Stop it. It's gross."
Huang: "...so lonely."

Darker than Black is a light romantic comedy about a man named Hei caught in a love triangle between a cat, a young girl, and a middle-aged man. At least, that's how I remembered it.

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Darker than Black © Bones & maybe a lot of other guys that aren't me