Is a permit required for a proposal shoot atop Shibuya Sky?

As the title says, I’d like to have a proposal at the top of Shibuya Sky and the photographer I hired says if he doesn’t get a permit it’s against the rules. The shoot I’m going to have involves just one DSLR camera which the photographer will use to shoot me and my partner when I go down on one knee. Nothing too fancy, no complicated equipment etc. Would we require a permit for this shoot?

by KueyTeowBoy19