Thanks to FreezIQ you have here lyric & tabs of the song Koyuki is singing at the guitar contest in episode 5 - 'Follow Me' by Rocket Boys.

Intro:

e---------------3-3-2-2---------------1-1-1-2-2-2-3-3-3-2-2-2-|
B---1-1-1---1-1-----3-3-------2-2-----3-3-3-3-3-3-1-1-1-3-3-3-|
G---2-2-2-2-2-2-----2-2-------2-2-----2-2-2-2-2-2-2-2-2-2-2-2-|
D---2-2-2-2-2-2---------2-2-2-2-2-2-2-------------------------|
A-0-------------2-2-----2-2-2-----2-2-------------------------|
E---------------3-3-------------------------------------------|

      G   Em                 D
Follow me, Baby, I won't let  you leave if you belive in me.
      G             Em Gd     Em
And I allways set you free from all those yesteryears.
     Am         D      G         D9 G D9
But you don't know how much I got belive in you.

Verse 1:
      G
I was starring at your sholder shivering,
      G
in such a colder summer breeze.
      G
Meanwile, I wonder why we're here.
                G    D   Em
Look for the line between love and friends.
      Am      D       G    D9 G D9
We'll be twisting ourselfs again.

Verse 2:
      G
I was standing at the the corner on the street,
      G
watching the wheels are turning free,
      G
waiting to bach up on my feet.
               G     D   Em
Reading the line between night and day.
     Am      D G    D9 G D9 G
I'll be twisting myself again.

Other Used Chords:
     D9   Gd
e----3----X---|
B----1----3---|
G----2--------|
D-------------|
A---------2---|
E---------3---|