Junna Sakai (境 純菜) was born November 2nd, 2000. She is a Japanese pop singer managed by Cube Inc. and signed to the company FlyingDog.

JUNNA made her singing career debut as the singing voice of Mikumo Guynemer, an anime character from “Macross Δ”.

Her first mini album “Vai! Ya! Vai!” was released in June 2017.

In 2017, “Here”, the Opening Theme Song for the anime “Mahoutsukai no Yome” then finally made her known as an impressive singer, considering her only being 17 at that time. The single for “Here” was released in November 2017.

In 2018 she announced that a second single, which will include the end theme song for the Lord of Vermilion TV anime, would be released in July.

In 2019, she sang “”Kono Yubi Tomare“, the Opening Theme song for Kakegurui XX” following up on the name she made for herself in 2017.