Tamanaha Riku From Aharen-san wa Hakarenai. Probably one of the best added characters in a sequel, absolutely amazing Gyaru character.

Model has her default costume and trained for Gym uniform.

Her Skirt in the school uniform can change colour as it was trained with both versions as i forgot they changed colour, you can ignore this or simply prompt either red or dark coloured skirt to solve the problem.

Similar to Gym uniform, as gym costumes are common prompts, AI will sometimes overwrite, you can just add colour prompts as preferred. Difference in this version is notably her hair style.

Swimsuit - This model does have some training with her swimsuit costume, due to limited images of her swimsuit as she only appears for a scene in her costume, there is too limited images to train with so i have not included as it is unreliable to prompt. If you try manually describing her swimsuit i have found results can be pretty decent.

Character Prompts (Character only):

tamanahariku, blonde hair, long hair, bow, gyaru, wrist scrunchie, hair bow, yellow eyes, hair rings, one side up, wavy hair, red bow, dark-skinned female, 

Character Prompt + School Uniform:

tamanahariku, blonde hair, long hair, bow, gyaru, wrist scrunchie, hair bow, yellow eyes, hair rings, one side up, wavy hair, red bow, dark-skinned female, 
school uniform, skirt, white shirt, jacket, loose bowtie,

Character Prompt + Gym Uniform:

tamanahariku, blonde hair, long hair, gyaru, yellow eyes, dark-skinned female, alternative hairstyle, double bun, hair bun, sidelocks, gym uniform, shirt, shorts, 

Optional Prompts:

:3 / Wavy mouth - common expression used in the anime, you can add this freely if you wish, looks natural. wavy mouth isn't essential but works well.
anime coloring/screencap - attempts to replicate anime style.