Kamen Rider Gekiryu Gekijouban: Part 1
Gekijyouban: Kamen Rider Gekiryu Battle Never Ends.
In the beach, some bathers enjoy the water with their children, meanwhile a middle aged man talks with the lifeguard.
Mr. Aguri: Hi, Ryoma! everything's going okay with you?
Ryoma: Hi, Aguri-san! Everthing is going ok here. Did you got better?
Mr. Aguri: Yes, i am feeling already alive again.
Suddenly a starfish appears and goes towards Ryoma cutting his face and he says:
Ryoma: Get out of the water, Quickly!
Everyone gets out of the water and Starfish Terrordiver appears.
Starfish Terrordiver: Marine, I'll annihilate you!
Ryoma: Everyone, get away from there!
The monster comes towards Ryoma, who sways an attack and Ryoma puts on his Poseidon Belt and picks the Trident Card holding it in the face's height and he says:
After announcing his transformation, he inserts the card inside the belt's reader and a voice from the belt announces (similar to Boukengers' Accellular' voice):
Poseidon Belt: TIBURON FORM!