Japanese reggaeton singer "S.I." released a new single "Toy no Cha-Cha-Cha'-" on July 12(wed.)! S.I. has announced a one-man live performance at "The Voodoo Lounge" on Oyafuko-dori in Fukuoka on 9/24(Sun). S.I. has been a hot topic on social networking sites, especially TikTok! Keep an eye on S.I.'s movements!