Kaito and Len cosplay at an anime convention: The image features two individuals dressed in elaborate costumes inspired by Kaito and Len from the Vocaloid franchise, posing back-to-back with their bodies facing the camera while their heads are turned to face slightly left. The person on the right wears a white dress adorned with red flowers, complemented by a black sash tied around her waist. She sports short, light-blonde hair styled in an updo and holds a white electric guitar. Her companion, dressed in all-black attire, boasts blue spiky hair and grasps a tablet in his hands. The duo stands within a spacious room characterized by its high ceiling, marble flooring, and large windows allowing abundant natural light to pour in. The background is filled with numerous other individuals donning elaborate costumes, creating an atmosphere reminiscent of a convention or event dedicated to anime or pop culture.