Himitsu no Nikki

 is the third single released by Hayami Eiko.

It was released on November 21, 1973.

Single Information

 * Catalog Number: SOLB-85
 * Lyrics: Ishizaka Masawo (石坂まさを)
 * Composition:
 * Track 1: Nono Takuya (野々卓也)
 * Track 2: Ishizaka Masawo
 * Arrangement: Ryuzaki Koji (竜崎孝路)

Tracklist

 * 1) Himitsu no Nikki (秘密の日記; Secret Diary)
 * 2) Futari Utatta Ai no Uta (二人歌った愛の歌; Love Song Sung by Two People)