A ninja messenger from the dark side of the moon sent by her clan to collect offerings for the Otsukimi Festival. Although the festival is once a year, Kaya has decided to stay on Earth after witnessing a breathtaking idol concert during one of her missions. She now aims to deliver her voice to the moon and back with her singing through VTubing. Kaya is energetic and loves to have fun with everyone like it’s a festival! She also has a particular sweet spot for idols and food. The food on Earth might have been another reason that made her stay…?