The Armed Detective Agency is still on the run from the Hunting Dogs, but not all hope is lost. Detective Ranpo Edogawa has a plan to prove the Agency's innocence and save the world from chaos: to find and capture Kamui—the leader of the terrorist organization Decay of the Angel. In order to determine Kamui's whereabouts, Ranpo and his colleague Atsushi Nakajima must convince Ouchi Fukuchi, the renowned captain of the Hunting Dogs, for amnesty. Although Fukuchi was tasked with arresting the members of the Agency, his past with the Agency's president, Yukichi Fukuzawa, may be the key to earning his trust. But unbeknownst to them, Fukuchi might not be as honorable as he proclaims.

The OVA of Love Live! Nijigasaki Gakuen School Idol Doukoukai.

The story takes place two years after Aikatsu Friends! with Aine Yuuki now in high school. One day she has an encounter with the mysterious idol Hibiki Tenshou who wears the shining Jeweling Dress.

The story revolves around Aikatsu Planet, a state-of-the-art virtual world where anyone can assume the role of an avatar and becoming a most popular virtual idol. Mao Otoha, an ordinary first-year student at the private academy Seirei High School, becomes a top idol avatar Hana when Hana's previous alter ego Meisa Hinata suddenly disappeared. However, Mao's new role as the avatar Hana is a secret to everyone else. (Source: Wikipedia)