The nationwide tour of Sakanaction "SAKANAQUARIUM 2025 'Kaijyu'," the additional performance at K-Arena Yokohama in Kanagawa which became the final, is made into a video work, and the song "Kaijyu," which is also the tour title, is a new song for the band for the first time in about three years and has swept the top of various music charts immediately after its release and become a big hit, and all 34 performances at 17 venues of the nationwide hall tour "SAKANAQUARIUM 2025 'Kaijyu'" held with that "Kaijyu" were sold out on the same day, and this work is the video work of the final performance on August 27 among the two additional performances at K-Arena Yokohama in Kanagawa, and the video director Yusuke Tanaka who has handled many music videos and live productions of Sakanaction is in charge of the overall live production and further evolves Sakanaction's live performance called total art with an innovative approach, and the stage with the members lined up in a row in white outfits, floor, and background, and a huge LED monitor hung above the stage with the same ratio as the floor on which the members stand, and footage themed on "Kaijyu" with one man as the protagonist is projected and progresses simultaneously with the live performance, and the audience is continuously overwhelmed by the innovative expression in which the story of the man as the protagonist, the visual production including lighting and special effects, and the music played by Sakanaction sometimes fuse and sometimes compete, and for the video production Yusuke Tanaka who was in charge of the overall live production newly directed this work himself and also handled the package design and totally produced it to sublimate the live concept into a work, and the Blu-ray edition adopts Dolby Atmos in addition to normal stereo sound, and it comes with subtitle display function (common to all formats).