Chapter 1

The Sun and the Stars is the first chapter of Double Taisei.

Synopsis
Taisei Tendo has two personalities: Tai who lives during the day and Sei who lives during the night. The two lead different lives, while Tai is a daytime shogi celebrity, Sei is a nighttime free spirit who would do anything as long as it doesn't bore him.

During the pro qualifiers of shogi, the match goes on until nighttime switching Tai with Sei, what will happen next?