Natsuyasumi Dake no Sideseat

 is the fourth single released by Watanabe Marina.

It was released on July 15, 1987, and peaked at #1 on the Oricon single charts.

Single Information

 * Catalog Number:
 * 07･5H-360 (Vinyl)
 * 10･6H-243 (Cassette)
 * MSCL-13607 (MEG-CD)
 * Lyrics:
 * Aso Keiko (麻生圭子) (Track 1 and 3)
 * Sawa Chihiro (沢ちひろ) (Track 2 and 4)
 * Composition:
 * Yamamoto Harukichi (山本はるきち) (Track 1 and 3)
 * Yamakawa Etsuko (山川恵津子) (Track 2 and 4)
 * Arrangement: Yamakawa Etsuko

Vinyl / CD

 * 1) Natsuyasumi Dake no Sideseat (夏休みだけのサイドシート; The Sideseat Only for Summer Vacations)
 * 2) Private Summer (プライベートサマー)

Cassette

 * 1) Natsuyasumi Dake no Sideseat
 * 2) Private Summer
 * 3) Natsuyasumi Dake no Sideseat (Instrumental)
 * 4) Private Summer (Instrumental)