chi.: chikyuu no undou ni tsuite
チ。-地球の運動について- 关于地球的运动 チ。 フ。 チ球の運動について チ動説認定記念日
Chi: Chikyū no Undō ni Tsuite (English: Orb: On the Movements of the Earth) is an 8 volume historical drama manga series written and illustrated by Uoto. An anime adaptation aired during the 2024 fall season.
