The Japanese rock band Seven Billion Dots was formed in February 2018 by vocalist Masafumi, who had previously lived in NY, and twin brothers guitarist Ken and drummer Lyo. In the same year, they won auditions for a Japanese rock festival and performed at "SUMMER SONIC" and "COUNTDOWN JAPAN 18/19". Their song "Harukaze (春風)" was chosen as a theme song for a special TV program for the Japanese High School Baseball Championship "Minna no Koshien" in spring of 2019 on MBS. Masafumi sings and plays guitar, Ken plays guitar, and Lyo plays drums.