Guess the anime opening

   EASY:
 1.  Death Note
 2.  Parasyte
 3.  Mob Psycho 100
 4.  Mirai Nikki
 5.  Death Parade
 6.  Blue Exorcist
 7.  Boku no Hero op 3
 8.  Naruto op 2
 9.  Yu Gi Oh Gx
 10. Beyblade


         MEDIUM:
 11. Naruto Shippuden op 13
 12. Noragami Aragoto
 13. Deathman Wonderland
 14. Another
 15. Code Geass op 2
 16. Tokyo Ghoul re
 17. Toaru Majutsu no Index
 18. Bleach op 2
 19. Fullmetal Alchemist Op4
 20. Psycho-Pass op 2


         HARD:
 21. Sakamoto Desu ga?
 22. Claymore
 23. Devils Line
 24. Hellsing
 25. Berserk
 26. Samurai Champloo
 27. Trigun
 28. Tsurezure Children
 29. UN-GO
 30. Zankyou no Terror