Extra 4

The Letter (手紙) is the 4th extra chapter of Grand Blue manga.

Characters in Order of Appearance

 * 1) Shiori Kitahara (Debut)
 * 2) Iori Kitahara
 * 3) Nanaka Kotegawa
 * 4) Chisa Kotegawa
 * 5) Shinji Tokita
 * 6) Kōhei Imamura
 * 7) Ryūjirō Kotobuki
 * 8) Hajime Nojima (Mentioned)
 * 9) Shinichirō Yamamoto (Mentioned)
 * 10) Yū Mitarai (Mentioned)
 * 11) Kenta Fujiwara (Mentioned)
 * 12) Aina Yoshiwara (Mentioned)

Trivia

 * First released in the Weekly Shonen Magazine 2016-36