Chouhi Yokutoku is one of the major protagonists in Koihime†Musou.
Chōhi joins Kazuto along with Kan'u after the two discover him together. Unlike Kan'u, who holds a more reserved Master-servant-like relationship with Kazuto, she treats Kazuto like an older sibling and calls him "big brother," similar to how she treats Kan'u.
As a powerful character, Chōhi has the strongest Damage ability when used as a general in the game. However, she has no defense technique when used as a commander, thus making her unfit to be one.
- She is loosely based on original character Zhang Fei from the classic Chinese novel Romance of the Three Kingdoms and its multiple adaptations.