Tsuite Ikenai -Ganbare Boyfriend-

 is the fourth single released by Iwai Yukiko.

It was released on January 21, 1988.

Single Information

 * Catalog Number:
 * 7A0806 (Vinyl)
 * 10P13187 (Cassette)
 * S10A0003 (8cm CD)
 * 7AH-00806 (MEG-CD)
 * Lyrics: Akimoto Yasushi (秋元康)
 * Composition and arrangement:
 * Mitake Akira (見岳章) (Track 1)
 * Goto Tsugutoshi (後藤次利) (Track 2)

Vinyl / CD

 * 1) Tsuite Ikenai -Ganbare Boyfriend- (ついて行けない-がんばれボーイフレンド-; I Can't Keep Up -Do Your Best Boyfriend-)
 * 2) Tsume wo Kandeta (爪を噛んでた; Biting My Nails)

Cassette

 * 1) Tsuite Ikenai -Ganbare Boyfriend-
 * 2) Tsuite Ikenai -Ganbare Boyfriend- (Instrumental)
 * 3) Tsume wo Kandeta
 * 4) Tsume wo Kandeta (Instrumental)