Crossover Anime: Transmigrated as Sasuke, but Must Start from Prince of Tennis

After transmigrating into the body of Uchiha Sasuke, he died eighteen times on the night of the massacre of his clan.
Sasuke declared, "I'm done!"
The system, having given up hope on its host: This system has gone to great lengths to ensure the host's survival.
......
The Prince of Tennis: My goal is to win three consecutive championships with Hyotei!
Death God: Starting by devouring the Soul King, all three realms are enemies...