Diego's jaw hardened hearing this. What his uncle said was true. If their enemy was just an ordinary human, then they could defeat him and protect the people they care about with ease.
But if the enemy was not human…
Diego recalled Yuna's Vectis's warning that one of the Vectis was roaming in this world and had its eyes on his sister.
Was it possible that the one who threatened his sister was Vectis? Was the person who killed his sister in his previous life actually a Vectis?
Not only was the culprit so clever at hiding that Stanley and his father couldn't track him down, but the killer was also very clever. He purposely made people think that his main target was Alexis when his main target was Chleo.
If it turned out that their enemy was indeed Vectis, Diego doubted he could save his sister with the help of his uncle's sophisticated program.
