They also released the schedule of promotion for the album, including the two-day encore concert of Twice 1st Tour: Twiceland The Opening on June 17–18 which was held in Jamsil Indoor Stadium.
Mereka juga merilis jadwal promosi untuk album ini, termasuk konser encore Twice 1st Tour: Twiceland The Opening selama 2 hari pada tanggal 17 hingga 18 Juni yang akan digelar di Jamsil Indoor Stadium.