Echo (Series)

Jin-Woo Sung

Jin-Woo Sung is Jinho's older brother and a high-ranking employee at Yoojin Construction.

Taito Ban

Hae-In Cha

Cha Hae-In is a skilled hunter known for her elegant swordsmanship.

Reina Ueda

Gun-Hee Go

Go Gun-Hee was an elderly S-Rank Hunter and the Chairman of the Korean Hunters Association.

Banjou Ginga

Jong-In Choi

A concise short bio is not available from the provided text.

Daisuke Hirakawa