In this war, Quinn sacrifices herself to protect GV from an attack.
To revenge for her death, Gunvolt leads 5 Adepts to defeat the killer Cyborg from another dimension - "The Luminous Revenger Y". He becomes the mightiest hero to end the war.
(2/X)
AU idea - Gunvolt Sakurazaki 桜咲ガンヴォルト
In this universe, Gunvolt marries Quinn Sakurazaki 5 years after the “Eden Invasion”. Because GV has already forgotten his actual name, he chooses to take his wife's family name and rename himself Gunvolt Sakurazaki 桜咲ガンヴォルト.