Nono Hana is a middle school student who encounters a baby named Hug-tan and her guardian, Harry, who fell from the sky. Hana learns that they have been pursued by the evil Criasu Corporation, who wants Hug-tan's Mirai Crystal and change the present. Protecting Hug-tan causes Hana to gain her own Mirai Crystal and transform into the Pretty Cure of High Spirits, Cure Yell.
[Source: Toei Animation]
A monster with the ability to steal memories, Miden, confronts the Futari wa and Hugtto! Precure groups using other Precure attacks. Having stolen the memories of all Precure members, save Nono Hana and Misumi Nagisa, it’s up to these two girls to rescue everyone’s memories from Miden.
[Source: AniDB]
※ NOTE: Postponed from originally planned premiere to prevent the coronavirus from spreading
The PreCure girls are locked in the world of "today." The character who holds the key to the story is Miracurun, the spirit who is in charge of "tomorrow" and has the mysterious power to create Miracurun Light. Meanwhile, Refrain, the spirit in charge of "yesterday" who is an enemy aiming at Miracurun, appears and tries to change the world to "a world where tomorrow will never come" by repeating the same "today" every day.
[Source: Crunchyroll]