1. First, you have to fold the diagonal, then wipe off
And fold half of the vertical diagonal route above, end with diagonal line across.
3. Next, you have to fold half of vertical, diagonal, bottom end with diagonal line across.
4. Then, you have to fold both ends up to the catch.
5.After that, Flip (as a start to see that heart-shaped), and then store the angle of the left side of the heart right, fold it back slightly.
6.Finally, keep the top corners of the heart, both are already completed.