Hotaru Yamaguchi (山口 蛍, Yamaguchi Hotaru; born 6 October 1990) is a Japanese professional footballer who plays as a defensive midfielder and currently plays for J1 League club, V-Varen Nagasaki. He was also a member of the Japan national team until 2019.
Source: “Hotaru Yamaguchi”, English Wikipedia (CC BY-SA 4.0), excerpt