Spring Unit Festival(春の大ユニット祭り)

Hinatazaka46 Debut 2nd Anniversary Special 2days ~MEMORIAL LIVE: 2nd Hinatansai~ was a Hinatazaka46 concert that took place on March 27-28, 2021. The concert was split into two days: the Haru no Dai Unit Matsuri: Ohisama Best Playlist 2021 and the 2nd Hinatansai. Fans were invited to vote for the songs to be performed on the first day. All songs by Hiragana Keyakizaka46 and Hinatazaka46 were eligible.