Complex sentence: The anime's opening theme song is "Key-bring it on, my Destiny -" by Lenny code fiction, and the ending is "Lotus Pain" by Mashiro Ayano.
Split into simpler sentences: The anime's opening theme song will be "key-bring it on, my Destiny -" by Lenny code fiction. Meanwhile, the ending will be "Lotus Pain" by Mashiro Ayano.