Lina and Gourry travel to a seaside town named Acassi, where octopus tentacle is a delicacy. However, the octopus meat carries a curse that dooms the eater to only speak Takogo (octopus language). Amelia, Zelgadiss, and Xelloss all show up, and the main four characters (Lina, Gourry, Ameria, Zelgadiss) get cursed. The octopi enlist the power of a mazoku to get rid of the humans once and for all. The white sorceress Ruma must learn the cure to the curse from her long-lost master in order to save the town. 

After surviving the entrance exams, Sakuta Azusagawa has finally enrolled in the same university as his girlfriend, Mai Sakurajima. He is gradually getting used to the unfamiliar environment as he attends student gatherings and makes new acquaintances. Everything seems to be going smoothly until Sakuta's friend and Sweet Bullet idol group member Uzuki Hirokawa begins acting out. With fellow Sweet Bullet member Nodoka Toyohama pleading for his help, Sakuta realizes that he has stumbled upon another case of the inexplicable Puberty Syndrome—Uzuki is feeling pressured by the sudden surge of popularity and rumors of a potential solo career. While Sakuta searches for a solution, another occurrence of Puberty Syndrome gradually emerges from the shadows.

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.

Satou has been in love with his childhood friend and neighbor, Hime, ever since she and her grandfather appeared out of nowhere 10 years ago. Now a dazzling, yet mysterious high school beauty, she makes it more and more difficult for him to confess his feelings. As the anniversary of their first meeting is nearing, will he muster up his courage to transform their friendship into something more? Or will an entirely different fate await this tightly bonded pair?