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]

Miki Koishikawa is a high school student who enjoys a very simple life. However, her ordinary life is about to be turned upside down, and she may not be able to handle everything that is coming her way. After a very "fun" holiday in Hawaii, her parents have decided to get a divorce. As if this wasn’t enough of a shock for the poor girl, she also discovers that they will soon be re-marrying and swapping partners with another couple who they met on holiday. In order to include Miki in this shocking turn of events, they ask her to give the new couple a chance, and set up a dinner date with everyone. Miki may have tried to be emotionally prepared for her new parents, but what she was not expecting was their handsome son Matsuura Yuu. Miki develops an instant crush for Yuu. What starts off as a lovely friendship between them soon develops into romantic feelings which they are both finding hard to control. But more trouble is ahead in their relationship, as both Miki and Yuu have admirers of their own who are trying very hard to keep them separated.

In this new season, we will discover the backstory of Tanmoki and who will learn through his memories who was his ancestor Rakugetsu. (Source: ANN)

An unaired OVA episode of Kore wa Zombie Desu ka? of the Dead. It is the 11th episode and was bundled with the sixth volume of the manga.