The protagonist is a second-year high school student who meets Morgana and transfers to Shujin Academy in the spring in Tokyo near Aoyama-Itchome. He lives in a coffee shop called Cafe Leblanc, located in Yongen-Jaya and owned by Sojiro Sakura, an acquaintance of his parents. He becomes classmates with Ryuji Sakamoto and Ann Takamaki, who join him in his endeavors alongside the mysterious Morgana. Additionally, he is the leader of the Phantom Thieves of Hearts, a group whose purpose is to steal the hearts of corrupted adults in order to create a reformed society. Later, more members join the Phantom Thieves: Yusuke Kitagawa, Makoto Niijima, Futaba Sakura, Haru Okumura and Goro Akechi.