Nineteen no Shinkirou ('19 Summer Ver.) (ナインティーンの蜃気楼 ('19 Summer Ver.); Mirage of Nineteen ('19 Summer Ver.)) is a song by Tsubaki Factory. It was digitally released on August 24, 2019.
Asakura Kiki, who has been on a break from activities since May 2019 in order to treat a lumbar disc herniation, is absent from the recording.
A nine-member version with Asakura Kiki titled "Nineteen no Shinkirou" is included as a B-side in the Regular Edition A of Tsubaki Factory's 6th single released on January 15, 2020, and as a track on Tsubaki Factory's 2nd album released on May 26, 2021.