This song was a little tricky to hear but here it is. This was Morning Musume's first single.
C#7
Theme (Chorus)
A E F#m D (x2)
A Dm7 () (x2)
Verse
A Am7 or A/G# Dm7 D (x2)
A Am7 D (x2)
Repeat Verse
PreChorus
F#m E
D E
F#m D
G#7 C#7/5+
A E F#m D (x4)
A Dm7 () (x2)
Repeat Verse (x2), PreChorus, Chorus
Intermezzo
Bm Bm/A G#m7/5-
F#m7 A A/C# D/F#
G A D Bm7 E
Repeat Chorus
Final chord A
Hints
Am7 x02120
Dm7 x00222
G#m7/5- 4x443x