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Apachai Hopachai Teacher of Kenichi Shirahama

Kenichi Shirahama In love with Miu Fuurinji

Kenichi Shirahama brother of Honoka Shirahama

Kenichi Shirahama son of Mototsugu Shirahama

Kenichi Shirahama son of Saori Shirahama

Kenichi Shirahama disciple of Hayato Fuurinji

Kenichi Shirahama disciple of Kensei Ma

Kenichi Shirahama disciple of Shio Sakaki

Kenichi Shirahama disciple of Akisame Kouetsuji

Kenichi Shirahama disciple of Shigure Kousaka

Kenichi Shirahama disciple of Apachai Hopachai

Kenichi Shirahama Friend of# Natsu Tanimoto

Kenichi Shirahama Friend of# Renka Ma

Kenichi Shirahama Friend of# Yuuka Izumi

Kenichi Shirahama Friend of# Mizunuma

Kenichi Shirahama Friend of# Hibiki Kugenin

Kenichi Shirahama Friend of# Kamioka

Kenichi Shirahama Friend of# Yuuma Chiaki

Kenichi Shirahama Friend of# Touchuumaru

Kenichi Shirahama Friend of# Matsui

Kenichi Shirahama Friend of# Kouzou Ukita

Kenichi Shirahama Friend of# Kaname Kugatachi

Kenichi Shirahama Friend of# Ikki Takeda

Kenichi Shirahama Friend of# Haruo Niijima

Kenichi Shirahama Student of Kyouko Ono

Kenichi Shirahama Rival of Ryuuto Asamiya