Roman -my dear boy-
Author: Tsunku  male
Arrangement: Suzuki Shunsuke.

This song rocks.

Intro
C- B-

Theme
C-7  Ab(M9) Bb (7) (x2)  

C-  Bb7

Verse

Eb  Bb/D  C-  Ab  Bb
C-  Bb Ab
Eb  Bb/D  C-  Ab  Bb
C-  Bb    G   C-

Prechorus

F-/Ab  F-  Bb   Eb  Bb/D   C 
Ab     D   G    Bb

Chorus
Eb   D   G-  G-/Bb  C  Ab  Bb  Eb  
G    Ab  G   Bb 
Eb   D   G-  G-/Bb  C  Ab  Bb  C- (7)
Ab   Bb  Csus4  C  Csus2 C-

Repeat Theme, Verse, Prechorus, Chorus

Solo
Ab   C-  F-/Ab  G  Bb (7)

Repeat Chorus and theme

Final chord: AbM7

Hint: Be careful with that G Ab G in the chorus. Try muting some strings.