Marin and her younger sister Urin are seafolk who happen upon something quite strange: a beautiful silver ring lost beneath the waves. The kind-hearted Marin, intent on returning it to its owner, drags a reluctant Urin along with her to the sky world despite reminders of a turtle elder who left for the surface and never returned. After locating the ring's owner, Kanon Miyamori, they learn that Kanon had tossed it into the sea after her boyfriend dumped her earlier that day. Though Marin insists that such a lovely item should not be thrown away, Kanon discards it once again. As they search for the ring, Urin becomes separated from the other two and accidently breaks the seal on a stone coffin, releasing an evil being known as Sedna. Sensing Sedna's release, the formerly missing turtle elder, Matsumoto, reveals himself to Kanon and her companions, naming Marin as the Priestess of the Sea. Together with the Priestess of the Sky, she has the power to seal Sedna away again. And as luck would have it, during an encounter with one of Sedna's minions, Kanon discovers that she is the Priestess of the Sky. Though Kanon is hesitant, she and Marin decide to work together to save the world from the evil that threatens it.

Destiny or delusion? It's a hilarious rollercoaster of laughter and confusion when Taishi, the ultimate otaku, drags his friend Kazuki into the swirling world of ambition, hatred, and love—the world of fan comics! Poor clueless Kazuki must sink or swim when he's dumped straight into the middle of a massive comic convention. Lost amidst hoards of buyers, sellers, and cosplayers, Kazuki is about to be baptized by fire, all in order to lead him toward his true calling: to take over the world through fan comics! Meanwhile, Kazuki's childhood friend Mizuki isn't about to let him be dragged from his normal life without a fight! But will she be able to stop the addictive draw of the new world that lies before Kazuki? Little by little, Kazuki is slipping down the path towards destiny—and Taishi is shoving him every step of the way!

After dreaming about an anime she used to watch as a child, Minoa Asagaya could not forget a particularly memorable scene. However, despite her best efforts, she cannot recall the name of the show. Due to this, Minoa asks for help from her fellow classmates at Sakaneko High School. Her conversation is overheard by Arisu Kamiigusa, the most popular and wealthy girl in class who is also a hardcore otaku. Yet even with her vast knowledge, Arisu does not recognize the show. After discovering that there isn't an anime club at their school, Minoa and Arisu create the Anime Research Club, as they may obtain the answer to Minoa's mystery if they gather people who share the same interest. Thus, Minoa is exposed to a bizarre new world—the world of anime! [Written by MAL Rewrite]

Mylene Hoffman, also known by the code name "009-1" is a beautiful cyborg spy. Instructed by her superior "Number Zero," she is assigned to eliminate a Jazz musician who is suspected to be a double agent. However, as she gets closer to the musician, she begins to slowly loses suspicions. Can she complete the mission before she falls in love? [Written by MAL Rewrite]