Mother of Juan Martinez, she's a teacher. Intelligent, traditional and skillful. Although she appears to be quiet, she hides an explosive temper. Her attractiveness and youthful looks have caused her several headaches.
Father of Juan Martinez, he's a marine biologist and lives in Kobe with his wife. He's smart and bold but somewhat crazy.
Juan's brother, he owns a seafood store.
Naoko MORI (最里 真子)
Granddaughter of a cousin of Atsuko Nishida, she lives at a forgotten town in the Japanese Alps. She looks much like Rosa, and is of the same age. She dates a very tall guy called Nagahiko Higuchi.
Hiroshi NISHIDA (西田 光志)
Atsuko's brother, and father of Shigeru and Ryouko. A retired Karate master.