Taisei Tendo

Taisei Tendo is the main protagonist of the manga, Double Taisei.

Personality
Tai/Sei=Taisei Tendo has two personalities. One personality (Sei) comes out in the day time, while the other comes out in the night (Tai).

Taisei Tendo overall is kind, and the most noticeable trait both of his personalities have in common is that they are fascinated with Shogi and are very motivated.
 * -|Tai=
 * -|Sei=