At its September 2–3 Fukuoka shows, LE SSERAFIM announced concerts at Kyocera Dome Osaka on December 19–20. These will be its first solo concerts at the venue, following a five-city Japanese tour begun in July. LE SSERAFIM drew about 80,000 people over two days at its first Tokyo Dome solo shows last November. This Japanese tour featured BOOMPALA and other signature songs with sixteen dancers. The members thanked audiences, saying their participation makes a concert complete.