別冊フレンド
is a Japanese manga series written and illustrated by Fuyumi Soryo. Initially serialized in "Bessatsu Friend" from 1996 to 2000, the series spans 15 "tankōbon" volumes. It follows the teenage romance between Kira Aso, an introverted artist, and Rei Kashino, a troubled playboy who is a professional motorcycle racer. A single volume prequel, "Mars: A Horse With No Name" was released in 1999.