The movie is a compilation of episodes 1-8 of the 2017 television series with new scenes added for the introduction. It covers the period from when Riko descends into the Abyss with her robot companion Reg, reaching the second layer where they meet the White Whistle Ozen who reveals information about Riko's mother. (Source: Wikipedia)

Kyoto has been populated by groups of tanuki and tengu for years, living alongside humans who are oblivious to the existence of these creatures. Yasaburou Shimogamo is the third son of an influential tanuki family who spends his carefree days taking care of an old tengu, observing humans through his ability to shapeshift, and dealing with the mysterious woman named Benten. Behind the peace and tranquility, however, is a painful memory from long ago as Yasaburou's father, head of the tanuki community, was killed and eaten by a group of humans known as the Friday Fellows. Uchouten Kazoku follows the trials and tribulations of the Shimogamo brothers as they struggle to avoid their own grisly demise while coming ever closer to unraveling the truth behind their father's death. [Written by MAL Rewrite]

Memories is a compilation of three standalone short films encompassing different genres. Magnetic Rose In the far reaches of space, after tracing a distress signal to a large abandoned space station, a pair of engineers—Heintz Beckner and Miguel Costrela—find a derelict mansion and decide to explore on foot. Their investigation reveals a dark secret surrounding the fate of Eva Friedel, a renowned opera singer with a tragic history. Hallucinations soon begin to plague them, and they must fight to retain their sanity in order to escape the station alive. Stink Bomb Hapless lab technician Nobuo Tanaka consumes some pills at his laboratory to cure a cold. Unknown to him, however, the pills are actually experimental drugs that enhance his flatulence to a lethal degree. As the toxic gas escaping him kills everyone in his vicinity, he is ordered by his superiors to retreat to the company headquarters in Tokyo. The journey to the city is made all the more arduous as Nobuo struggles with his deadly odor while the police, military, and foreign adversaries are hot on his trail. Cannon Fodder In a fortress city filled to the brim with cannons, a young boy wishes to surpass his father by becoming a revered artillery officer. Despite no proof of an enemy nation, he cannot resist the urge to partake in the daily bombardment routines organized by the city. Whether at school or just before bedtime, he only dreams of someday firing a cannon for the sake of his homeland. [Written by MAL Rewrite]

This OVA series is a continuation of The New Prince of Tennis series from 2012, still set in the U-17 High School Representatives Selection Camp. The story follows the matches played when the First Strings return from their tour.