Try using the same coat that the other use... Sky & Cloud.

Tri Buana Lestari, This is all I did... but I never use any makeup.

Alternative:
Hairstyle: Drizzled Snow
Hairwear: Salsa
Earrings: First Snow Ciruela
Coat: Loto
Bracelet: Cleopatra
Socks: Pride Snow Wind
Shoes: Downy Flake

Cheaper choice

Hairstyle: Snow Lotus
Dress: Mystery
Coat: Song of the Nile
Hairwear: Olive Branch
Socks: Dusk
Shoes: Suede Boots

Can use following: Cheap clothes

Hair - Modern Girl
Top: Nikki's short top
Bottom: Straight Jeans
Bracelet: Nikki's Watch
Shoes: Super Battery
Coat: Puff Pastry - Purple (Any type will do, I have seen ppl using red)
Hairwear: Baseball Cap
Earrings: Glamour of Night
Neckwear: Faith Ring

Try the following:

Hairstyle: Modern
Neckwear: Similar Butterfly
Dress: Southeast asian pearl
Coat: Chiffon (pink)
Bag: Secret Box
Bracelet: Rose
Socks: Strawberry Brioche
Shoes: Pink Memories
Hairwear: Brown Beret

Had a hard time clearing this stage with a S. Tried about 10 times before clearing the stage, can try the following.

Hairstyle: Coffee Foam
Head Wear: Baseball Cap
Earrings: Wagashi Pink
Neck Wear: Sunset Glow
Bracelet: Pink Umbrella
Bag: Lonely Boat
Top: Joan of Arc
Bottom:Sweatpants - Pink
Socks: Invisible Socks
Shoes:Bard (From reward of Sky challenge, can't remember which floor though)