A youkai — a nekomata, specifically — Kirara is the Gold Level Courier of the Inazuma-based Komaniya Express. Her diligence in ensuring every package would be delivered to the right place has increased her company's renown and hers, making her the sole courier handling international deliveries. She enjoys every delivery she makes as she considers these outings for herself. She has twin restless tails and is a nekomata who loves human society.