Iori Minase, Vivid Bikini, Idolmaster

The image features Iori Minase, a cosplayer known for her portrayal of Vivid Bikini from The Idolmaster franchise. She is dressed in a pink bikini with yellow accents, which is consistent with the character's signature style. Her long brown hair is styled in two pigtails, and she wears a matching headband with a large pink flower on top. Iori Minase is posing in front of a blue background, possibly water or a pool, with her right leg bent at the knee and her left foot submerged in the water. She has one hand raised to her face, while the other hand rests on her hip. The overall atmosphere suggests a fun and playful setting, likely a photoshoot or promotional event for The Idolmaster franchise.