For a child, Aoyama has knowledge comparable to an adult. As such, he is often teased by his classmates. He also has a crush on the friendly woman he recently met at a dental office. One morning, penguins start mysteriously appearing around his neighborhood. Nobody knows where they came from and how they managed to get there. Aoyama is determined to find out more, and he joins his new crush in researching the penguins. As time passes, they discover a levitating sphere which they nickname The Sea. Whatever goes into The Sea does not come back out, and the only things that can destroy it are the penguins. However, something horrifying is created when the penguins do... Penguin Highway follows Aoyama and the woman's research on the mysterious penguins' origin, as well as the many difficulties Aoyama faces throughout his investigation.

Spring. Far from the city, time flows peacefully in this rural town. As the cherry blossoms scatter in the wind, a young man named Yu Narukami steps off the train at Yasoinaba Station. Yu has come to this town, where his uncle lives, for family reasons; he will be transferring into the local high school, Yasogami High. And so begins his school life... The shopping mall after school. A series of murders taking place in town. The Midnight Channel, airing late at night.... What lies in store for Yu and his friends ‘this time around? (Source: Aniplex USA)

J-pop idol group CHAM! has spent the last two years entertaining its fans. Sadly, all good things must come to an end, and CHAM! must see one of its members, Mima Kirigoe, leave the group to pursue her acting career. While Mima's choice is met with a mixed response, she hopes her fans will continue to support her. However, Mima's life begins to change drastically after her departure from the group. Wanting to shed her pop-idol image, she takes on a role in a crime drama series, and her career as an actress gradually becomes more demanding and taxing for both Mima and her manager, Rumi Hidaka. To add to Mima's growing unease, an obsessed fan who is incapable of accepting that Mima has quit being an innocent idol, begins stalking her; a new anonymous website begins to impersonate her life with intricate detail; and CHAM! also appears to be doing better without her. One by one, each disturbing development drives Mima to become increasingly unhinged and unable to distinguish reality from fantasy.

In a magical world where humans, demihumans, and oni are heavily at odds with each other, a princess named Saltorine Sally Aldike is on a journey to find a person named Mikoto Kibitsu. Traversing the world, Sally comes across many truths that she had been ignorant of due to her lineage—including the knowledge that the oni possess power potent enough to wipe out humanity. Seemingly blessed with a way to counter the oni's might, Sally has a strange power that manifests itself as a sigil resembling a peach, giving her superhuman abilities capable of defeating powerful oni with ease. Even so, Sally refuses to discriminate between humans, demihumans, and oni as much as possible, believing that peace between the three factions could be attainable one day. On the contrary, Mikoto—who also has the same ability as Sally's but with greater mastery—has a different goal. Mikoto is out to kill and torment all oni in existence, stopping at nothing to fulfill this objective. As Sally and Mikoto continue to cross paths, the power they possess will spell the difference between amicable coexistence and utter annihilation.