Forums → Games → Exit Path 2 banner - "to-the-sky" meaning?

Sorry if this has been covered before; I can't for the life of me find a search function (if there is one, please redirect me to it, thanks!)

On the Exit Path 2 Banner, there is a QR code:



Scanning that QR code and following the link will bring you to this photo:



"TO-THE-SKY" is a code for what?
What is the piece of poetic work (assuming it IS poetry) referenced?
Your thoughts?