Brighton was sent to Earth during a three-day ceasefire period. He requested that the JSDF to let him investigate the Gransazers to find which one was the Bosquito. Upon finding Ran as the Communicator he claims that she has Bosquito DNA to trick them into handing her over. He later reports to Belzeus that their plan is running smoothly. Belzeus orders him to kill Ran before her power to communicate with the Warp Monarch's will can awaken. At first, Brighton sends Algol to carry out the task and later reveals his true colors while Troius rampages through the city. After the Gransazers destroy Algol, Brighton pretends to beg for his life in order lower Tarious's guard and kill him, but he is shot and killed by Logia.