Blue Submarine No. 6 (Series)

Mutio

Muto, also known as the Second Demon King, is one of the Inviolable Waters and a powerful demon.

Miki Nagasawa

Tetsu Hayami

ShuiChi Hayami is the second-in-command of Hakuun High School's delinquents, loyally serving under Takeshi Kojima.

Hozumi Gouda

Mayumi Kino

Mayumi Nishikino is a 29-year-old office lady residing at the Kawai Complex.

Yukana

Yung Zorndyke

Yung Zorndyke is a Zonderian belonging to the Primevals group in The King of Braves GaoGaiGar.

Takeshi Wakamatsu

Verg

Verg is a third-rate witch from Liselotte & Witch's Forest, formerly human.

Shoutarou Morikubo

Katsuma Nonaka

Takeo Gouda is the protagonist of the story, a kind and strong high school student with a towering physique.

Toshihiko Seki

Myeong-hae Yun

Myung-Hwan is a human male character classified as a player.

Shinichiro Miki

N'duhlle Gilford

N'duhlle Gilford is a Marquis in the Earthworld Empire, belonging to Lowellmina's faction.

Gara Takashima

Sidra Dedson

Sidra Dedson is a young woman who serves as a disciple to Raki.

Unshou Ishizuka

Alessandro David

Alessandro David is a human male affiliated with The Vatican.

Houchuu Ootsuka

Frida Velasco

Fremia is the queen of the mermaids in Mildesta.

Youko Soumi

Iga Tokuhiro

Keita Torigaya is Ryo Washizu's close friend, initially appearing male but gradually exhibiting more feminine traits throughout the series.

Kinryuu Arimoto

Jean-Jacques Burnel

Jean-Jacques Burnel is a French student studying in Japan who escaped Deletross's clutches in the Magical Gate.

Juurouta Kosugi

Makio Yamada

Makoto Maeda is a student attending Hanasaki High.

Ed Wagenseller

Meiling Huang

A short biography for Meiling Huang (Mei Jin-Feng) is not available based on the provided text.

Ayaka Saitou