Alien Alien (エイリアンエイリアン) is a song covered by Hello, Happy World!
It was an original song by Nayutan Seijin (ナユタン星人/NayutalieN) and sung by Hatsune Miku.
The full version is included in the album BanG Dream! Girls Band Party! Cover Collection Vol.3. It was released on December 18, 2019.
- Release Date:September 13, 2020
