At the onset of World War III, nobody could have predicted the effect it would have on Japan. While it had officially ended fifty years ago in 2150, its battles still persist. Large, mysterious areas known as "Blackspots" appeared across the country, filled with the contaminated ruins of cities and countrysides. Those inside were trapped to halt the spread of contamination, and their powers began to mutate—be they shapeshifters, pyromancers, or controllers of gravity itself—they all became known as the Needless. Adam Blade is one such Needless, possessing remarkable regenerative abilities and incredible strength. In order to restore peace to a war-torn Japan, he and his allies must fight together to rise against a heinous research group by the name of Simeon.

Taeko Okajima is a 27-year-old, independent woman who spent her entire life in Tokyo. Looking to unwind from the rush of the big city, she decides to visit her family in the country to help out during the harvest.

On the train there, Taeko vividly recalls her memories as a schoolgirl in the initial stages of puberty, as if she is on a trip with her childhood self. A young farmer named Toshio picks her up at the station, and they quickly develop a friendship. During her stay, Taeko forms strong bonds with family and friends, learning the contrasts between urban and rural life, as well as the struggles and joys of farming.

Nostalgic and bittersweet, Omoide Poroporo takes on Taeko's journey as an adult woman coming to terms with her childhood dreams compared to the person she is today.

[Written by MAL Rewrite]

Natsume Yuujinchou San follows Takashi Natsume, a boy who is able to see youkai. Natsume and his bodyguard Madara, nicknamed Nyanko-sensei, continue on their quest to release youkai from their contracts in the "Book of Friends." Natsume comes to terms with his ability to see youkai and stops thinking of it as a curse. As he spends more time with his human and youkai friends, he realizes how much he values them both and decides he doesn't have to choose between the spirit and human worlds to be happy.

Chihaya Ayase is obsessed with developing her school's competitive karuta club, nursing daunting ambitions like winning the national team championship at the Omi Jingu and becoming the Queen, the best female karuta player in Japan—and in extension, the world. As their second year of high school rolls around, Chihaya and her fellow teammates must recruit new members, train their minds and bodies alike, and battle the formidable opponents that stand in their way to the championship title. Meanwhile, Chihaya's childhood friend, Arata Wataya, the prodigy who introduced her to karuta, rediscovers his lost love for the old card game.