Ep. 1: Keima confronts Diana while Kanon faces a stalker and Apollo's dangerous revelation

Keima recounts capturing fourteen girls and two unique individuals since the previous season. Kanon studies for exams but converses with her split personality, Apollo, who claims divinity. Keima meets Tenri and her inner goddess, Diana, who demands he marry Tenri to boost her powers, a request he denies. Diana identifies herself as a Jupiter Sister who aided New Demons against the Weiss, sacrificing herself before escaping ten years ago. She asks Keima to locate her sisters hidden within his past conquests, who retain their memories. Meanwhile, Kanon is stalked by a mysterious figure. During a test, she runs into Keima, confessing her love and memories, shocking her classmates. Keima realizes a goddess resides within Kanon and removes her from the crowd. Apollo takes control and flees, believing Keima is harmless. While hiding, Apollo is stabbed by the stalker, who is revealed to be Lune of Vintage.

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