The story follows a group of high school students as they approach graduation, just months away. Each student grapples with their dreams, worries, and inner conflicts as they face crucial life decisions.

Yoyogi Johnny is a high school boy who gets on the nerves of his strong-willed girlfriend by spending his time loafing around the school squash club with its eccentric members and meeting his childhood friend Kagura, a recluse. His attitude changes when new girls show up in his world: Deko, a full-throttle passionate new squash player who inspires him to train, and Izumo, a country girl living in Tokyo and working part-time at a used book store. Little by little, Johnny’s daily life changes with romance, friendship, club activities and a squash team competition.

During the summer vacation period, temporary teacher Honoka Kimijima is in charge of a supplementary class. One day, a female student suddenly jumps off from the school rooftop and dies in front of Honoka Kimijima. Then she notices a mystery student who is not supposed to be there.

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!!