An Origin Reminder

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Across
  1. 4. Wilsons _
  2. 6. A shared offering
  3. 7. The effect of SL
  4. 11. Harry Potter house pen
  5. 12. Post date photos
  6. 13. Gemstone for a princess's necklace
  7. 14. An alternative to eat chickpeas with
  8. 16. First kiss on _ tower
  9. 17. Office snack gift
  10. 18. My local TerryWhite
Down
  1. 1. An ice cream pantry
  2. 2. Thai food
  3. 3. Korean pen brand
  4. 5. Park for lanterns
  5. 7. A first whole weekend together
  6. 8. A manufacturer of matcha negori
  7. 9. The effect of CL
  8. 10. The origin of Nemo and squirrel
  9. 15. First date