Obsolete
This canopy, after your departure, will become obsolete. The canopy was here to protect you, but no one will need it once you're gone.
During your departure you look back at the obsolete canopy just once. It's standing there, still and alone. It's a really sad sight.
はい
すた
None
When something becomes obsolete, you must write a haiku (はい). Honestly, the best haiku are about something ending, so this is perfect.
My sweet canopy I don't need you anymore You are obsolete