Granutes are intelligent lifeforms that operate secretly in the human world. They kidnap people for the sake of "Black Market Sweets." As people are attacked one after another by the Granutes, Shoma, a young man from another world, rises up to save the people. Together with the Gochizo, small monsters born from eating sweets, he transforms into Kamen Rider Gavv with a mouth-like belt!
Kouki Sakurai (櫻井 皓基, Sakurai Kōki, December 2), formerly known as Shinjiro Sakurai (櫻井 慎二朗, Sakurai Shinjirō) is a Japanese voice actor born in Saitama Prefecture. He has blood type B and is 180 cm tall. He is affiliated with Leopard Steel. He was previously affiliated with Ability Soul Pro. His hobbies and special skills include snowboarding, karaoke, Japanese drumming, programming, and road biking.