Hitsujirobo

Completely produced by popular voice actress Yuuki Aoi! The world's first artificial Chimerio, Kalpa, does not have a specific origin word. The doctor believes that Kalpa will be the link between humans and Chimerios, and decides to have her go outside with the day-of-the-week Chimerios to learn about humans and various languages through "emotional learning." (Translated with DeepL)