GENERAL NOTE
All sample images used the 'aged up' prompt. Because of this, she may seem a bit mature.
PROMPT & NOTE
School Uniform
mnmym, long hair, brown hair, choppy bangs, green eyes, long sleeves, black jacket, open jacket, sleeves past wrists, yellow sweater, white shirt, collared shirt, black skirt, pleated skirt, black pantyhose, brown footwear, loafers
Optional words: backpack, red bag
Swimwear
mnmym, long hair, brown hair, choppy bangs, green eyes, wristband, layered bikini, white bikini, pink bikini, bikini under shorts, denim shorts, short shorts, open fly, pink footwear, flip-flops
Her green bag was impossible to draw properly, so I excluded it from the prompt.
Track Suit
mnmym, long hair, brown hair, ponytail, hair tie, sidelocks, choppy bangs, green eyes, long sleeves, high collar, blue jacket, track jacket, blue pants, track pants, white footwear, sneakers
GRIDMAN UNIVERSE Outfit
mnmym, long hair, brown hair, choppy bangs, green eyes, bracelet, short sleeves, pink shirt, collared shirt, two-tone necktie, black skirt, pleated skirt, black socks, ankle socks, scar on leg, brown footwear, loafers
I recommend removing 'scar on leg' from the prompt. :/