Reincarnated into VOCALOID

The decisive battle between the two teenagers in the Valley of the End accidentally reincarnated them into a completely different world, where there were famous V families in their previous lives, and a strange power called "spirit". Will this be a passionate adventure, or... Is it just a game played by the gods? Destiny, is it your own choice or a game of gods? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.