Junna Sakai (境 純菜 Sakai Junna, born November 2, 2000 in Nagoya), better known as JUNNA (じゅんな), is a Japanese pop singer managed by Cube Inc. and signed to FlyingDog.
JUNNA made her singing career debut as the singing voice of Mikumo Guynemer, the lead vocalist of the group Walküre from the anime Macross Δ. She was only 14 years old when she performed in the unit's digital single "Ikenai Borderline" released at the end of December 2015, making her the youngest singer to debut in the anime franchise's 35 year history.
She won the 77.Your Sound Contest.
- Ichido Dake no Koi Nara
- Rune ga Pikatto Hikattara
- Zettai Reido θ Novatic
- Hametsu no Junjou
- Walküre ga Tomaranai
- Kono Yubi Tomare