Jun Matsumoto
In 2018, the group started by announcing a new single titled "Find the Answer". The single was used as the theme song for the drama "99.9 Keiji Senmon Bengoshi — SEASON II" starring Jun Matsumoto. The coupling song included in the regular edition, , was used for Nippon Television Network's broadcast of the 2018 Winter Olympics in Pyeongchang, which featured Sho Sakurai as the main newscaster.