Seek 10 FILLED hearts in the store:
1 *IW* Beatrice in Red Alpha for mesh skirt
2 *IW* Beatrice in Red Glitch Pants
3 *IW* Beatrice in Red Gloves
4 *IW* Beatrice in Red MESH Skirt
5 *IW* Beatrice in Red MESH Skirt Curved
6 *IW* Beatrice in Red Shoe L
7 *IW* Beatrice in Red Shoe R
8 *IW* Beatrice in Red Shoebase
9 *IW* Beatrice in Red Skirt
10 *IW* Beatrice in Red Top
Only 10 of all the hearts lying in the store hide the hunt pieces in their content.
Have fun hunting 
