Variants of a mold are catalogued separately, so each one has its own sets and minifigs. Check these too if something you expect is missing here.

• 38165c01 Sails, Windsurfer and Parachute with Magenta Heart and Dots, and Azure Wave Print [Complete Sheet] this part is a sub-part of it
• 38165a Sail, Windsurfer, with Magenta Heart and Dots, and Azure Wave Print this part is a pair of it