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