Leechee 3pcs sexy underwear likely refers to a lingerie set that includes three pieces of underwear designed to be stylish and alluring. These sets often feature coordinated pieces that can include items such as bras, panties, thongs, or garter belts. The term "sexy" implies that the design and style of the underwear are intended to be provocative and seductive, with features such as lace detailing, sheer fabrics, or strappy accents. Leechee is possibly a brand name or a style descriptor. Overall, these sets offer versatility and a cohesive look for intimate occasions or to add a touch of glamour to everyday wear.