°C-ute Concert Tour 2013 Spring ~Treasure Box~ (℃-uteコンサートツアー2013春～トレジャーボックス～) will be released on blu-ray on September 25.
The blu-ray includes the 24 songs performed by °C-ute at the live. Hello Pro Kenshuusei have also participated in the event.
°C-ute Concert Tour 2013 Spring ~Treasure Box~ was held from April 20 to June 29, 2013.
The live performance was recorded on June 29 at Pacifico Yokohama National Convention Hall.