Complex sentence: Initially, her somewhat threatening monologue aboard a spaceship that oversees Earth seems to count her an enemy, but she greets the eventual arrival of Puni Puni Poemy with joy and actually considers the invading aliens a threat.
Split into simpler sentences: Initially, her somewhat threatening monologue aboard a space station that oversees Earth seems to count her an enemy. However, she greets the eventual arrival of Puni Puni Poemy with joy and considers the invading aliens a threat.