Yenra Meruru of Atelier Meruru Meruru Cosplay Photo: Outdoor Setting: A person dressed in a costume inspired by Meruru from Atelier Meruru, a character known for her pink hair and yellow dress. The individual is standing in front of a stone wall or structure, possibly outdoors, as the background suggests natural light. They are holding an object that resembles a book or journal, which could be a prop related to the character's profession as a young alchemist.