Myōrin (妙林) or Yoshioka Myorin-ni (吉岡妙林尼) was a late-Sengoku period female warlord onna-musha. She was the wife of a samurai warlord, and served Otomo clan in Bungo. She was the heroic woman who defended the Otomo clan in the Kyūshū campaign against Shimazu's army. Her contributions to the Kyushu campaign were so significant that they completely changed the course of history and she was highly praised by Japan's most powerful man at the time, Toyotomi Hideyoshi. Later, she was named Guardian of Tsurusaki, an honorary title due to her heroic acts.