Hori Eriko, commonly known as Pile, was born on May 2, 1988 in Tokyo City, Tokyo Prefecture, Japan. She's half Japanese and half Korean. Her childhood dream was to be a ballerina and a singer. Prior to her voice acting career, she took some minor roles in TV series and films. She believes her own strongest points are her long patience and her laughter. She's confident in her own abilities to speak Korean, dance, as well as her smile due to her teeth's good alignment. She believes her weakest point is that she considers herself to be a bit of a dork. She loves simple and light food, and dislikes food with strong or heavy tastes. Her favorite color is pink. She is happiest when she is not alone. She is a self-described masochist.