He is my other self

Needing to change Madarame's cognition to further access his Palace, Ann distracts Yusuke while Morgana access Madarame's secret room, exposing his plagiarism of his most known piece, Sayuri. After inadvertenly following the others into the Palace, Yusuke learns that Madarame was responsible for the death of his mother, leading him to awaken his Persona, Goemon.