The folding method of the dart knife could be carried out through the following steps: 1. Prepare a square piece of paper. 2. Fold the paper diagonally and then unfold it, leaving a diagonal crease. 3. Fold the four corners of the paper in half towards the center, forming a square. 4. He flipped the paper over and folded the four corners toward the center to form a small square. 5. Fold the four corners of the paper in half towards the center to form a triangle. 6. Turning the paper over, he folded the four corners in half toward the center, forming a small triangle. 7. Fold the two corners of the small triangle toward the center to form a smaller triangle. 8. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 9. Fold the two corners of the small triangle toward the center to form a smaller triangle. 10. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 11. Fold the two corners of the small triangle toward the center to form a smaller triangle. 12. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 13. Fold the two corners of the small triangle toward the center to form a smaller triangle. 14. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 15. Fold the two corners of the small triangle toward the center to form a smaller triangle. 16. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 17. Fold the two corners of the small triangle toward the center to form a smaller triangle. 18. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 19. Fold the two corners of the small triangle toward the center to form a smaller triangle. 20. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 21. Fold the two corners of the small triangle toward the center to form a smaller triangle. 22. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 23. Fold the two corners of the small triangle toward the center to form a smaller triangle. 24. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 25. Fold the two corners of the small triangle toward the center to form a smaller triangle. 26. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 27. Fold the two corners of the small triangle toward the center to form a smaller triangle. 28. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 29. Fold the two corners of the small triangle toward the center to form a smaller triangle. 30. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 31. Fold the two corners of the small triangle toward the center to form a smaller triangle. 32. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 33. Fold the two corners of the small triangle toward the center to form a smaller triangle. 34. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 35. Fold the two corners of the small triangle toward the center to form a smaller triangle. 36. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 37. Fold the two corners of the small triangle toward the center to form a smaller triangle. 38. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 39. Fold the two corners of the small triangle toward the center to form a smaller triangle. 40. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 41. Fold the two corners of the small triangle toward the center to form a smaller triangle. 42. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 43. Fold the two corners of the small triangle toward the center to form a smaller triangle. 44. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 45. Fold the two corners of the small triangle toward the center to form a smaller triangle. 46. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 47. Fold the two corners of the small triangle toward the center to form a smaller triangle. 48. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 49. Fold the two corners of the small triangle toward the center to form a smaller triangle. 50. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 51. Fold the two corners of the small triangle toward the center to form a smaller triangle. 52. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 53. Fold the two corners of the small triangle toward the center to form a smaller triangle. 54. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 55. Fold the two corners of the small triangle toward the center to form a smaller triangle. 56. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 57. Fold the two corners of the small triangle toward the center to form a smaller triangle. 58. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 59. Fold the two corners of the small triangle toward the center to form a smaller triangle. 60. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 61. Fold the two corners of the small triangle toward the center to form a smaller triangle. 62. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 63. Fold the two corners of the small triangle toward the center to form a smaller triangle. 64. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 65. Fold the two corners of the small triangle toward the center to form a smaller triangle. 66. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 67. Fold the two corners of the small triangle toward the center to form a smaller triangle. 68. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 69. Fold the two corners of the small triangle toward the center to form a smaller triangle. 70. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 71. Fold the two corners of the small triangle toward the center to form a smaller triangle. 72. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 73. Fold the two corners of the small triangle toward the center to form a smaller triangle. 74. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 75. Fold the two corners of the small triangle toward the center to form a smaller triangle. 76. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 77. Fold the two corners of the small triangle toward the center to form a smaller triangle. 78. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 79. Fold the two corners of the small triangle toward the center to form a smaller triangle. 80. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 81. Fold the two corners of the small triangle toward the center to form a smaller triangle. 82. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 83. Fold the two corners of the small triangle toward the center to form a smaller triangle. 84. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 85. Fold the two corners of the small triangle toward the center to form a smaller triangle. 86. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 87. Fold the two corners of the small triangle toward the center to form a smaller triangle. 88. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 89. Fold the two corners of the small triangle toward the center to form a smaller triangle. 90. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 91. Fold the two corners of the small triangle toward the center to form a smaller triangle. 92. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 93. Fold the two corners of the small triangle toward the center to form a smaller triangle. 94. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 95. Fold the two corners of the small triangle toward the center to form a smaller triangle. 96. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 97. Fold the two corners of the small triangle toward the center to form a smaller triangle. 98. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 99. Fold the two corners of the small triangle toward the center to form a smaller triangle. 100. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 101. Fold the two corners of the small triangle toward the center to form a smaller triangle. 102. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 103. Fold the two corners of the small triangle toward the center to form a smaller triangle. 104. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 105. Fold the two corners of the small triangle toward the center to form a smaller triangle. 106. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 107. Fold the two corners of the small triangle toward the center to form a smaller triangle. 108. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 109. Fold the two corners of the small triangle toward the center to form a smaller triangle. 110. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 111. Fold the two corners of the small triangle toward the center to form a smaller triangle. 112. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 113. Fold the two corners of the small triangle toward the center to form a smaller triangle. 114. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 115. Fold the two corners of the small triangle toward the center to form a smaller triangle. 116. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 117. Fold the two corners of the small triangle toward the center to form a smaller triangle. 118. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 119. Fold the two corners of the small triangle toward the center to form a smaller triangle. 120. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 121. Fold the two corners of the small triangle toward the center to form a smaller triangle. 122. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 123. Fold the two corners of the small triangle toward the center to form a smaller triangle. 124. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 125. Fold the two corners of the small triangle toward the center to form a smaller triangle. 126. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 127. Fold the two corners of the small triangle toward the center to form a smaller triangle. 128. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 129. Fold the two corners of the small triangle toward the center to form a smaller triangle. 130. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 131. Fold the two corners of the small triangle toward the center to form a smaller triangle. 132. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 133. Fold the two corners of the small triangle toward the center to form a smaller triangle. 134. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 135. Fold the two corners of the small triangle toward the center to form a smaller triangle. 136. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 137. Fold the two corners of the small triangle toward the center to form a smaller triangle. 138. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 139. Fold the two corners of the small triangle toward the center to form a smaller triangle. 140. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 141. Fold the two corners of the small triangle toward the center to form a smaller triangle. 142. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 143. Fold the two corners of the small triangle toward the center to form a smaller triangle. 144. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 145. Fold the two corners of the small triangle toward the center to form a smaller triangle. 146. He flipped the paper over and folded the two corners of the small triangle toward the center to form a smaller triangle. 1 While waiting for the anime, you can also click on the link below to read the classic original work of " Full-time Expert "!