I'm not quite sure about the intro.
E-----------------------------------------------|
A-----------------------------------------------|
D-----------------------------------------------|
G-----------------------------------------------|
B-3----------3-1-3-3----3-1-3-3-1-3-3-1-3-3-----|
e---3-0-7-8-0--------3-0-------------------3-0--|
[ Tab from: https://www.guitartabs.cc/tabs/s/shimatani_hitomi/sarasouju_tab.html ]
E-----------------------------------------------|
A-----------------------------------------------|
D-----------------------------------------------|
G-----------------------------------------------|
B-3-------3-1-3-1-------------------------------|
e--0-7-8-0-------3-5-0--------------------------|
That's pretty much it, just memorize the sequence and you'll be fine.
http://www.avexnet.or.jp/shimatani/
