En Yufuin

En Yufuin (由布院 煙, Yufuin En) is a third year student at Binan High School. He transforms into Battle Lover Cerulean.

Appearance
En has messy, sandy blond hair that goes down the back of his neck, and blue eyes. He is the oldest and tallest member of the Earth Defense Club.

His school uniform consists of a white, button down shirt that has the top few buttons undone, and an open, black blazer with white buttons and trim. The school's insignia is on the left sleeve. He wears black slacks and a brown belt, and brown loafers.