VY2 - I Forgot You (君を忘れた)

A forgotten origin story.

This song is about...
...I forget.
vgperson.com/other/mangaviewer.php?m=1

0:57 The sound effect ("pii") bubbles all have "that sound" pointing to them.
2:45 The address/number is just given as shapes... except he apparently lives in Shibuya.
4:54 There's a pun in this line with "yakusoku" (promise) being read as just "ya" (arrow).

Original video: www.nicovideo.jp/watch/sm27018256
Lyrics: vgperson.com/lyrics.php?song=iforgotyou