The song is played in Eb Standard (From low to high, Eb Ab Db F# Bb Eb), which is 
a half-step down from E-Standard. 
Unless you wanna play along to the original (or if you're lazy like me), playing 
it in E-Standard sounds great as well.

Very, very simple song. Just 2 chords throughout the whole song. 

Chords Used

C  - x32010 (using C/G sounds good too. 332010)
Em - 022000 OR x79987(for the Intro/Verse, you can use the 2nd fretting for
                      some complexion/variety and stick with the 1st 
                      fretting for Chorus.)

Cmaj7 (x32000) and Em7 (020000) can be added in at anytime for some variation and 
make it less of a chore to play.
Have fun~!

=============================================

Intro: Em

Em                               C
Since we're feeling so anaesthetised
               Em,
In our comfort zone
                           C
Reminds me of the second time
                     Em
That I followed you home

Em                       C
We're running out of alibis
                   Em
From the second of May
                          C
Reminds me of the summer time
                 Em
On this winter's day


   C                           Em
         See you at the bitter end
   C                           Em
         See you at the bitter end

Em                                 C
Every step we take that's synchronized
              Em
Every broken bone
                           C
Reminds me of the second time
                    Em
That I followed you home

                        C
You shower me with lullabies
                    Em
As you're walking away
                              C
Reminds me that it's killing time
                Em
On this fateful day


C                          Em
     See you at the bitter end
C                          Em
     See you at the bitter end
C                          Em
     See you at the bitter end
C                          Em
     See you at the bitter end

Em
From the time we intercepted
Em
Feels a lot like suicide
C
Slow and sad, grown inside us
C
Arouse and see you're mine
(See you at the bitter end)
Em
Love has seen your run-around
Em
Who wanna seek you now?
C
I want a peace
C
I'd whine out
(See you at the bitter end)

Em
Love's reached his side
Em
Grab this gentleness inside
C
Heard a cry
Six feet down
C
In six weeks' time
The mess you left
                       Em (finishing note)
                  Will end
(See you at the bitter end)

===========================

If you have a capo, you can play it on the 6th fret and switch out Em with Am 
(x02210) and C with F (133211)