In the story, the protagonist Youtarou Misaki finds himself lying on the beach one day. He is picked up by Arashi, who manages a restaurant called Kurage no Shokudou. When asked who he is, the protagonist tells a lie that he lost his memory—but he remembers everything, including the fact that his twin brother died.

The story centres around Kurashita Tsukimi, a huge fan of jellyfish, who transfers to Tokyo to become an illustrator. She moves into Amamizukan, an apartment complex that is full of fujoshi with a no-men-allowed rule. However, one day, Tsukimi invites a stylishly fashionable woman to stay at her room at Amamizukan — only to discover that the guest is not who she seems to be.

Ever since her late mother took her to an aquarium when she was young, Tsukimi Kurashita has been obsessed with jellyfish, comparing their flowing tentacles to a princess's white dress. Now living with five other unemployed otaku women, 19-year-old Tsukimi spends her days as a social outcast dreaming of becoming an illustrator. However, her life changes forever when one day, a beautiful woman unexpectedly helps her save a jellyfish in a local pet store. From then on, the stranger—confident, fashionable, and the complete opposite of Tsukimi and her roommates—begins to regularly visit the girls' building. This trendy hipster, though appearing shallow at first, harbors some secrets of her own, starting with the fact that "she" isn't really a girl at all, but a wealthy male college student named Kuranosuke Koibuchi! [Written by MAL Rewrite]

The Amars go on an adventure in the forest.

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It is the year 2100, and on the colonized Moon, a project is under way to explore new aspects of energy. Amami Kurau is the daughter of the chief scientist on the project, and on her 12th birthday, she accompanies her father to the lab to observe the experiments. Then something goes awry, and Kurau is struck by twin bolts of light. In the aftermath, her father is dismayed to find that his daughter is no longer his daughter. Rather, her body is now home to two energy entities with fantastic powers.

Kurayami Santa overlays animation on archived footage from the 1960s in order to recreate a Showa-era atmosphere. The protagonist, Santa, is tasked with maintaining the balance between the spirit and human worlds.

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The 16-year-old Kurenai Shinkurou is a mediator — a specialist in settling squabbles between people. Despite his youth and easy-going nature, he is a man of some skills when it comes to protecting both his clients and his client's interests. One day he is assigned as a bodyguard for Kuhouin Murasaki, a seven-year-old girl. From how the girl reacts to everyday events, like shopping, it is quite clear to Shinkurou that she must come from a wealthy background, and as it turns out Murasaki's family is very powerful and dangerous...

Porco Rosso is a veteran WWI fighter pilot turned bounty hunter, who has been transformed into an anthropomorphic pig through a rare curse. He was once known as Marco Pagot while still in his human form, but took up a new alias which suits his current image better, "Red Pig." At the beginning of Kurenai no Buta, Porco is reunited with his long-time friend Gina at a hotel, and unexpectedly falls in love with her. Despite his strange form, Gina shows him all the affection that she can muster. But Porco has a love rival to deal with. An American ace fighter named Curtis is also after Gina's heart, and although she rejects his proposals, he is not about to let her go so easily. During his return flight to Milan, Curtis sneaks up behind Porco's plane and shoots him down. The plane is completely destroyed and Porco is proclaimed dead, but due to a stroke of luck, he barely managed to survive the crash, unbeknownst to others. Porco must now continue his journey back by train, and suddenly discovers that there has been a warrant issued for his arrest in Italy. Not only does he need to find Gina, but he must also get his revenge and also deal with the oncoming war that threatens the whole of Europe.

Shinkurou, Murasaki and rest of the female cast take a day off at the hotel pool, only to stumble into a terrorist attack. — Helping Shinkurou in his investigations, Ginko's beloved laptop suddenly stops working, stressing her out even more. — Murasaki's school diary requires inspired moments. This means rigorous exercise for everyone. Is Kirihiko really without a single friend? Murasaki teaches her otherwise. — Shinkurou's run-down dormitory room holds more than one treasure. — Car conversations...

Young Sanshiro Kurenai is the proud heir of a judo dojo. One day, he finds his beloved father dead and a glass eye not too far from the corpse. Ready to avenge his father and take his honour back, Sanshiro and his friend Ken start searching for the mysterious one-eyed murderer...