|Full Name: Gaku Hoshikawa|
|Ranger Designation: Five Red|
|He is the eldest and leader of the team at 27 years old. He is a Science teacher skilled in kendo. He was 7 at the time of the Zone's attack on Sidon. Calm and responsible, he had the task of raising his four younger siblings along with Arthur G6, making him not just a big brother but also a leader and a parental figure. Out of fear, he fired a gun at Garoa's face, scarring him, creating a rivalry between the two. Even though he is a reliable and brave leader, he has a major weakness with the supernatural..
Weapons and/or attacks: V Sword with optional V Power Grip; shortens into the V Shuttler.