Aida Rikako was born on August 8, 1992 in Tokyo Prefecture, Japan. She's an only child and owns a dog named Koushi. Her childhood dream was to become a singer. However, during high school, her dream shifted towards becoming a voice actress instead. She also acted in movies and stage plays. She prefers staying indoors and dislikes insects and painful things like injections. She also describes herself as a sloppy person who does not mind minor details much.