My name is Beauty Thief! - S1.E20

The gang infiltrate Kunikazu's Palace and discover that Morgana has teamed up with a girl calling herself Beauty Thief, who Makoto identifies as Kunikazu's daughter, Haru Okumura. Haru explains that she became a phantom thief and teamed up with Morgana in order to find out the truth behind her father. As Morgana remains defiant about rejoining the others, he gets injured while trying to protect Haru from her abusive fiancee, Sugimura, prompting the others to come to their aid. As Morgana becoming honest about his feelings of wanting to stay with everyone, Haru learns that Kunikazu has decided to speed up her engagement to Sugimura.