東映特撮ファンクラブ(TTFC)で新たなコンテンツとして始まる『ゴジュウジャー補ジュウ計画 ナンバーワン俄悔室』は、まさにそのタイトルが示す通り、本編であるテレビシリ一ズ『ナンバ一ワン戦隊ゴジュウジャー』を「補ジュウ（充）」すべく、テレビシリーズでは描ききれないその後のストーリ一、制作のウラ話、作品やキャラクタ一の設定にまで切り込みます。

八木饰演音乐教师丸山武，成为逼死既是同事，又是恋人的今泉理惠的未来高中3年F班的班主任。一边在意社会的眼光一边尊重学生的“音乐教师”，从今泉的事开始变成了“音乐狂师”。毕业式的前一天，作为“最后一课”把全班同学关在音乐室，毅然进行死亡游戏的完全原创故事。

八木饰演音乐教师丸山武，成为逼死既是同事，又是恋人的今泉理惠的未来高中3年F班的班主任。一边在意社会的眼光一边尊重学生的“音乐教师”，从今泉的事开始变成了“音乐狂师”。毕业式的前一天，作为“最后一课”把全班同学关在音乐室，毅然进行死亡游戏的完全原创故事。

TegaSword dies?! The disaster that triggered the outbreak of the Universe War in the past. TegaSword was defeated by a Calamity remnant named Pestis. All it needs to revive is the ring that is the core of the stolen TegaSword. To retrieve the ring, the Gozyugers jump into the body of TegaSword, where Pestis is hiding and face many challenges! Will the five "outcasts" be able to unite and overcome the challenges? The shocking truth behind the birth of TegaSword is revealed for the first time?! Fight, Gozyuger! Revive the giant TegaSword! Protect the dreams and wishes of people!!

In the distant past, a great battle known as the "Universe War" erupted between all Super Sentai robots and a colossal "calamity." This war, later called the "Universal Great War," was brought to an end by a giant deity named Tega Sword. This transcendent being, imbued with the power of all Super Sentai, fell into slumber after sustaining injuries.

Hoeru Tono, a young man drifting between part-time jobs, finds himself fired once again. Around the same time, the mysterious organization "Bridan" begins attacking Earth to awaken Tega Sword. Suddenly, Tono is enveloped in a strange space where he encounters Tega Sword. He learns that gathering special "rings" will grant him any wish. Without a specific wish in mind, Tono resolves to aim for the "Number One" and fights as Gozyu Wolf against Bridan. What wish will Tono eventually discover? And who are the other ring warriors?

Tomoya Ishida is a newbie editor at the fashion magazine Sophia Monthly. After his senior's sudden hospitalization, he's hastily assigned to collect a column manuscript from the famous culinary researcher Ayumu Mitsuya. He pays him a visit soon after and, to his surprise, finds an affable, older man who speaks in a Kyoto dialect. Being asked to wait, Tomoya is served a simple dish that entices his stomach, and soon, he finds himself eagerly awaiting their next encounter!

担任临时教师的君岛穗香(涩谷凪咲)，目击了一个女学生从屋顶跳下的瞬间。当她在暑假补习班上课时，又注意到有个不应该存在的学生。不久后，穗香与补习班的三浦瞳(早濑憩)、前川武(山时聪真)等学生们，得知了与那个女学生有关的令人震惊的事实。