|First Appearance||Legend of the Golden Witch|
|Portrayed By||Masashi Hirose|
BackgroundHideyoshi has no close relatives outside of the Ushiromiya family. This fact is what drove him to follow along in Eva's plan to conceive a child before Natsuhi in order to gain a place in the family's succession. He has a strong personal fascination with the commanders of the Sengoku period of Japan.
AppearanceHideyoshi is a large man and with his hair trimmed extremely short. He wears a brown double-breasted suit with a red shirt and pink tie. Because he married into the Ushiromiya family, Hideyoshi is not allowed to wear the One-Winged Eagle on his person. He has a noticeable accent.
PersonalityHideyoshi is an avid storyteller, though he has a tendency to exaggerate stories to make them more extravagant.
Twilight of the Golden Witch
Hideyoshi is the second person to pose a quiz to Ange Ushiromiya during the Halloween party. His puzzle consists of a riddle centered around magical food items in a witch's house. During the after-party, Hideyoshi talks with Lucifer, Chiester 00, Rosa, and Sakutarou regarding the nature of leadership.
- Hideyoshi is a regular smoker, however Eva hates smoking and he refrains from doing so when around her.