Step 28 :
Turn over along the arrow.
Step 29 :
Fold the bottom left corner to the center line along the dotted line.
Step 30 :
Fold back the upper layer along the dotted line.
Step 31 :
Repeat step 29 to step 31 to fold the other side.
Step 32 :
Fold the second layer into the third layer as shown in the figure below.
Step 33 :
Fold behind along the dotted line.
Step 34 :
The origami origami heart in heart is finished.