Names：

Five Red

（Gaku Hoshikawa）
Status： Red Warrior of Chikyuu Sentai Fiveman
Tags： CommanderRed WarriorMaleChikyuu Sentai Fiveman
Affiliation： Chikyuu Sentai Fiveman
Brothers： Five BlueFive PinkFive BlackFive Yellow
Inherit： Red TurboRed Hawk
World： the World of Super Sentai
LeveL： A

Gaku's birthday is October 5. At 27 years old (48 in Gokaiger), he is the eldest and leader of the team. A Science teacher skilled in kendo, Gaku was 7 at the time of the Zone's attack on Sidon. Calm and responsible, he had the task of raising his four siblings along with Earther G6, making him not just a big brother but also a leader and a parental figure.

Out of fear, fired a gun at Garoa's face, scarring him, creating a rivalry. Even though he is a reliable and brave leader, he has a major weakness with the supernatural.

aku is revealed to be the master in the art of Kendo when he trains his kendo students as one of his students, Manabu aspires to become like him as a kendo master and a fighter. Gaku also sacrifices his life by injuring his right shoulder blade by Manabu who is possessed by the Majin Sword in order to regain control of his student. Gaku is also strict as seen in the end of the episode where he mildly slaps Fumiya's butt with his kendo stick to keep training his students properly.

Gaku's birthday is October 5. At 27 years old (48 in Gokaiger), he is the eldest and leader of the team. A Science teacher skilled in kendo, Gaku was 7 at the time of the Zone's attack on Sidon. Calm and responsible, he had the task of raising his four siblings along with Earther G6, making him not just a big brother but also a leader and a parental figure.

Out of fear, fired a gun at Garoa's face, scarring him, creating a rivalry. Even though he is a reliable and brave leader, he has a major weakness with the supernatural.

aku is revealed to be the master in the art of Kendo when he trains his kendo students as one of his students, Manabu aspires to become like him as a kendo master and a fighter. Gaku also sacrifices his life by injuring his right shoulder blade by Manabu who is possessed by the Majin Sword in order to regain control of his student. Gaku is also strict as seen in the end of the episode where he mildly slaps Fumiya's butt with his kendo stick to keep training his students properly.