Who Am I?

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Across
  1. 2. My favorite color, calm and deep like the ocean
  2. 4. I can spend hours building worlds out of tiny bricks
  3. 6. This anime has been going on since 1999
  4. 7. A cute bunny who always looks calm
Down
  1. 1. My favorite animal that carries its home on its back
  2. 3. My zodiac sign
  3. 5. I love folding paper into cranes and flowers