Himeko was once a delinquent feared far and wide, the legendary yankee Onihime. She's totally reformed now, but starts to hear odd rumors that "the Onihime has started going on a rampage again."
Then, after the game was 
over, while you were arguin',
Entonces cuando el juego terminó y mientras discutías
Entonces cuando el partido terminó y mientras discutías
Então, depois que o jogo 
acabou, enquanto você brigava,