In 2012, Berryz Kobo's leader Saki Shimizu announced on her official blog that on March 21, the new Berryz Kobo single "Be Genki!
Pada 2012, kapten Berryz Kobo Saki Shimizu mengumumkan di blognya bahwa pada tanggal 21 Maret single baru Berryz Kobo "Be Genki!