Play just the routing part of Zelda Randomizer:https://z3rsim.com/ (it used to be there, but looks like the site disappeared around 2025)
Even without having to spend any time walking and fighting and stuff, it still took me an hour. Note that I didn't find the mirror until I already got the big key in Ganon's tower, so I learned today that the mirror is actually optional for completing the game.
Previous (2019-03-06): "Imouto sae Ireba Ii" volume 11 by Hirasaka Yomi
Next (2019-03-20): Google Bach doodle