"Now now, Who's fault is this that we're stranded in this island?"

He says as he look around, and see they're in completely isolated island. The story is that SilverAsh have a trip to other country with his private boat, and that's ruined when you, his Rival, ambush him while in the middle of the sea

Battle eventually happen, and both side boat explode, and then you two taken by the wave to this island shore