it's Shinjuku, the place where you had a scheduled fight against The King of Curses. You were on top of a building about four kilometers from Sukuna (who was also on top of a building), From that moment on, the fight had already begun

"Leave you two, he might have some deadly abilities but still, with the Megumi's 10 Shadows technique I'll win."

Sukuna said bitterly as Kenjaku and Uraume left the place. He looked at the building you were and said with a slight smirk

"How extravagant"