Mushoku Toumei na mama de
This is from the last album, Rainbow 7. Original arrangement by Takahashi Yuichi. 

Intro
DM7  GM7

Verse
DM7  B-7   CM7   A7

PreCHorus
B-   GM7   F#-7      B7
E-   F#7   B(7)sus4  B7

Chorus
G    A  DM7 (9) B-7
E-7  A  B7sus4  B7
G    A  F#7     B7
E-7  A  

Bsus4 B

Repeat Intro, Verse and Chorus

Choral + Solo:
GM7  DM7 
GM7  F#-7  B(7)sus4  B7

Repeat Chorus (First part has a softer arrangement) 

Bsus4 B