Persona 5 Royal Hard Playthrough EP 14: Stealing Madarame's Treasure

The Phantom Thieves send the calling card to Madarame. Like before, it causes the intended result of materializing the treasure.
With their planning, they get their hands on the treasure, or so they thought, as it turned out to be a fake, with Madarame confronting the Phantom Thieves while helding the real treasure.
As he taunts the party, he reveals to Yusuke, his most hienous crime.