Harunobu Nikaidou
Nikaidou anime
Kanji 二海堂 晴信
Rōmaji Nikaidō Harunobu
Gender Male
Height 152 cm
Personal Status
Status Alive
Occupation Shogi Player
First Appearance
Anime Episode 1
Image Gallery
Even though this person in front of me was sweating bullets and was in a dire position, he still persisted on sitting there. All because he wanted to win...

—Harunobu Nikaidou

Harunobu Nikaidou (二海堂 晴信 Nikaidō Harunobu) is Rei's friend and main rival in shōgi.



Despite illness having plagued his childhood, Nikaidou has an earnest personality, along with a cheerful outlook towards life. He is described as persistent and stubborn when it comes to his rivalry in Shogi with Rei. However, he does get emotional over his losses, but does his best to keep a strong front while in public. He doesn't give up and even with his illness lets shogi become his life.


Nikaido comes from a wealthy family, but he is born with an incurable disease. He met Rei a long time ago and since then Rei has known him for a long time. He sees Rei as his best friend and rival in shogi.



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