Oda Nobunaga

Nobunaga is originally a Demon. However a monk put a seal on his body. It is not confirmed whether he is the same as the Demon known as Zabieru.

In the Kichikuou Rance alternate universe, he unified JAPAN under his rule sometime during LP0004.

In Sengoku Rance, he is the most influential warlord of JAPAN.

The beauty of his daughter, Kouhime, is known throughout the world.

Appears in: Kichikuou Rance, Sengoku Rance

Note: His character design in Sengoku Rance looks drastically different from that of Kichikuou Rance.

Trivia
The famous Oda Nobunaga in Japanese history is known for his cruelty. That might be the inspiration of making the Nobunaga in this world a Demon.