Orion's Board

Orion's Board is a Japanese manga series written and illustrated by Naoshi Arakawa. It has been serialized in Kodansha's manga magazine Weekly Shōnen Magazine since January 2024.

Story

Shogi prodigy Yuuhi Ninomiya, once a rising star, has lost his edge and endures a relentless losing streak. His path crosses with Tsuki Kayamori, an eccentric girl who plays shogi in a bar. Despite her brash and unpredictable personality, Tsuki's unconventional playstyle is unnaturally precise. Set in the competitive world of professional shogi, the story explores their evolving rivalry and partnership as they navigate the pressures of talent, ambition, and personal growth.

Publication

Written and illustrated by Naoshi Arakawa, Orion's Board started in Kodansha's manga magazine Weekly Shōnen Magazine on January 10, 2024. Kodansha has collected its chapters into individual volumes, with the first one released on April 17, 2024. As of December 17, 2025, eight volumes have been released.
The series is simultaneously published in English by Kodansha on its K Manga online platform.

Reception

The first volume of the series sold out and was reprinted the following month of its debut due to high demand.
The series was nominated for the 49th Kodansha Manga Award in the category in 2025.