Yura Yura Teikoku | Yura Movsisyan | Yura (Kim Ah-young) | Yura |
The opening theme of the Happiness! visual novel is "Zero" by Hiromi Satō, and the ending theme is "Mezame no Asa" by the voice actresses of the four main heroines (Yui Sakakibara, Mia Naruse, Yura Hinata and Oto Agumi), performing under the name Happiness!