Following the closure of Uranohoshi Girls' High School, the third-year students—Dia Kurosawa, Kanan Matsuura, and Mari Ohara—have just graduated, leaving Aqours with solely the first and second-years. While searching for a new place the remaining members can use to practice, they decide to visit the new school they will soon enroll in. However, to their surprise, the building seems to be abandoned! It turns out that due to the school board's worries regarding how the freshly transferred Uranohoshi students may burden the clubs, they were instead sent to a branch school. This sets Aqours on a new goal—to prove that Uranohoshi students are serious in their clubs as well. Meanwhile, another problem arises: the third-years have unexpectedly gone missing during their graduation trip! Love Live! Sunshine!! The School Idol Movie: Over the Rainbow revolves around the remaining Aqours members as they venture out to search for their missing seniors and, at the same time, try to figure out a way to change the new school's mind.

Jun Shirasaki and the Jinguuji sisters are childhood friends and neighbors. When Jun's first girlfriend, the older sister Rumi, breaks up with him, she says something that complicates the three people's relationship, their first loves, and their romance—? (Source: MAL News)

Now in possession of the Edens Zero, Shiki Granbell has gathered the Four Shining Stars. With the help of his new friends, Shiki will be able to breach Dragonfall—the border of the Sakura Cosmos swarming with mechanical dragons. Once that is achieved, he can continue his quest to find the goddess Mother. Before the Edens Zero crew can advance their journey, they notice a mysterious warship following them. Upon learning that the ship—the Belial Gore—belongs to Drakken Joe, Shiki and his crew attempt to infiltrate it, intent on figuring out why the Dark Alchemist is after them. In the process, the Edens Zero is taken hostage by Drakken's subordinates. Though they are in a tight situation, Shiki refuses to back down. Working together with his friends, Shiki will have to take down the Dark Alchemist if he hopes to make it out of the Belial Gore alive.

In the distant past, Miguel, the God of Destruction, was sealed inside the knight who ruled over light and darkness, Sturmhurt. Alongside the knight was Gestöber, who accompanied him through countless battles. In the present day, destiny causes them to reincarnate as Kabuto Hanadori and Seri Koyuki, two classmates. Their reunion should be a joyous moment, if not for the fact that these fantasied heroes are just products of Kabuto's delusions. As the fictional Gestöber, Seri finds himself in various embarrassing situations due to Kabuto's antics that sometimes grow out of his control. Moreover, his classmate Utsugi Tsukimiya joins the fray with his absurdly accurate mind-reading abilities, slowly destroying Seri's social life. Seri tries hard to stay away from them, refusing to acknowledge their shenanigans, however with Kabuto's chuunibyou and Utsugi's unpredictability, he is only bound to be swept by the craziness coming his way.