A video work that completely records the one-night-only premium concert "Eiichi Ohtaki's NIAGARA 50th Odyssey Live," held at LINE CUBE SHIBUYA in July 2025. A live celebration of the 50th anniversary of Eiichi Ohtaki's Niagara Records, featuring a specially formed band with producer, arranger, and keyboardist Akira Inoue, who supported the foundation of the Niagara sound, as sound producer, and artists associated with him carrying on the songs. Shigeru Suzuki, Eiichi Ohtaki's longtime ally since Happi End, appears as a special guest! It is a legendary concert that also features luxurious guest artists associated with Eiichi Ohtaki. This work comes in a two-Blu-ray set, and DISC-2 contains the special performance "Shigeru Suzuki Ohtaki Eiichi wo Utau!! vol.9 - Niagara Records 50th Anniversary Special -," held the following day on July 13 at Shibuya Sakura Hall with Ginji Ito and Masamichi Sugi as guests.