Macross Frontier: Toki no Meikyuu

A new theatrical short in the Macross Frontier series, released alongside the movie Macross Δ: Zettai LIVE!!!!!!
Ranka Lee is on an interplanetary concert tour several years after the battle against the Vajra. While on tour, she visits the ruins of a temple known as the Well of Souls, a place used to communicate with the gods and the dead. Ranka approaches the ruins and finds herself pulled deep within.
(Source: Disney+)