Third single release from Hideaki Takizawa featuring theme song to the TV drama "Orthros no Inu" starring Takizawa himself, Ryo Nishikido (NEWS & Kanjani8) and Hikaru Yaotome (Hey! Say! JUMP). Limited edition bonus DVD featuring "Hikari Hitotsu (Drama Edition)" and "Hikari Hitotsu (Anime Edition)." *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.