Twice and Park Jin-young were united.
A group song Twice 's new song' What is Love (What's Love?) 'Received the first place on the music charts.
On April 9, at 6 pm, a mini album, 'What is Love?', Was released on various music sites, including Twice (Naoyeon, Jung Yeon, Momo, Sana, Ji Hyo, Mina, Tae Hyun, Chae Young and Tsuwi).
Immediately after release