Complex sentence: The opening theme for episode 13 onwards is "The Asterisk War" by Shiena Nishizawa and the ending theme is "愛の詩-words of love -" by Haruka Chisuga.
Split into simpler sentences: The opening theme song for episode 13 onwards is "The Asterisk War" by Shiena Nishizawa. The ending theme song is "愛の詩-words of love -" by Haruka Chisuga.