War(Date), resumes. The peaceful days of Itsuka Shidou returned without having to save the Spirits from the relentless battle days. But, the peaceful days were interrupted by the emergence of a mysterious sphere emitting spiritual wave――as well as a mysterious girl who showed herself at the same time. What is her purpose of keeping an eye on Shidou……? The mission that had been entrusted to Shidou under the tense situation was, “Date all of the Spirits, and make them fall in love?!” ――With the fate of humanity at stake, the war(date) resumes! (Source: Date A Live Wiki)

Amu Hinamori is a shy girl who struggles to make friends in part due to the rumors spread around school about her cool and spicy personality. Wishing that she could show everyone her would-be self, Amu wakes up to the presence of three colorful and ornately decorated eggs in her bed. Each of these Hearts Eggs houses a Guardian Character—manifestations of someone's would-be self and their dreams. With the aid of Ran, Miki, and Su, Amu now finds herself able to express who she truly is. However, things do not always pan out in her favor. The sudden appearance of Amu's Guardian Characters prompts the Seiyo Elementary Guardians, a student council-like group with each member possessing their own Guardian Character, to take notice of her. As someone who has multiple Characters, Amu is roped into being the Guardians' Joker, tasked with helping them find X Eggs—corrupted versions of one's Hearts Egg. As she becomes entangled in the Guardians' quest, Amu begins to uncover more about these mysterious Characters, the X Eggs, and the organization that seems to be at the center of it all.

As a child, Uta—the Red Hair Pirates' ex-musician and Monkey D. Luffy's childhood friend—promised that she would build a new era of freedom by performing joyful music for the world. Luffy and the Straw Hat Crew arrive at Uta's first ever live concert, where many fans have gathered to enjoy the diva's otherworldly singing. Due to a childhood trauma, Uta bears a deep-seated hatred for pirates; her happy reunion with Luffy is cut short when she learns that he has since become one. Luffy's refusal to change his ways results in Uta unleashing her powers on the Straw Hats. The crew soon learns that their minds have already been trapped in Uta's dream world since the beginning of the concert, while their unconscious bodies remain asleep in the real world. With time quickly running out, the Straw Hats must find a way to escape the nightmare or be trapped in Uta's dream forever.

Satisfied with his investigation of Lala Lai Theatrical Company, Aquamarine Aqua Hoshino shifts his focus from revenge to career growth and becomes a regular on the variety show Dig Deep! Chase the Impawsible. With memories of his mother still lingering in his mind, Aqua cuts contact with Kana Arima, leaving her unable to enjoy the surging popularity of her idol group, B-Komachi. Meanwhile, following the bone-chilling discovery during B-Komachi's recent music video shoot, Aqua's sister, Ruby, resolves to solve the murders of those dearest to her. With the help of another soul still weighed down by Ai Hoshino's untimely demise, Ruby rises through the ranks, using any means necessary to get her way.