I just realized what this manga reminded me of... high school dxd. They're very similar in fanservice and how every character met the prez when they were in the lowest times of their lives
In my opinion the best way to end this fight is to have both of them die in the end but Shiva stay living for a bit longer before passing on to win the match, if Raiden won then there would be backlash with people saying that the writer favors Japanese people and if Shiva won one-sidedly in the...