Memory Seishun no hikari,  or Memory, the light of youth
Arrangement: Maejima Yasuaki

Intro

Eb-7 Db  Cb Bb7

Theme (Chorus):
Eb-  Ab- (7)  Db (7) Gb
Ab-  Db (x43121@1)Gb (244322@1) Eb-
Ab-  Db  Bb (7)

Verse (Rap):
Eb-  Ab- (7)  Db (7)  Gb  Bb (7)
Eb-  Ab- (7)  Db (7)  Gb  Bb  Eb-

Repeat Verse

Prechorus
(...Sayounara...)
Ab- (7)  Db  Gb (M7)  Eb-
(... Sayounara)
Ab- (7)  Db  Cb7  C?7 Bb7

Chorus
Eb-  Ab- (7)  Db (7)  Gb
Ab-  Db (x43121@1) Gb (244322@1) Eb-
Ab-  Db   Bb (7)
(Memory...)
Eb-  Ab- (7)  Db (7)  Gb
Ab-  Db (x43121@1) Gb (244322@1) Eb-

Ab-  Bb (x1333x@1) Cb (x2444x@1)Db (x43121@1)Again rap thing, Repeat half a Verse for this and one complete verse more for singing. 
Prechorus y Chorus.

Intermezzo
Ab- Bb   Cb  Db
Ab- GbM7  E  Db7  Bb7

Repeat Chorus
Ab-  Bb (7)   Cb  Bb (7)
Ab-  Cb  Bb7  Cb  Db7/Ab  GbM7/Bb


Source: Tanaka Reina's Version.