Koki Eto (江藤 光喜, Etō Kōki; born February 8, 1988) is a Japanese former professional boxer who competed from 2008 to 2019. He held the WBA interim flyweight title in 2013 and challenged for the WBC super-flyweight title in 2015. Koki is the oldest of the three Eto brothers. His twin brother Taiki and their younger brother Shingo are all professional boxers.
Source: “Koki Eto”, English Wikipedia (CC BY-SA 4.0), excerpt
