I can already see the entire afterlife starting a civil war when Kanna dies.
Bad End:
"Kanna's dead!"
Demons: "Yeeees!"
God: "She lived such a pure life, she'll go to Heaven, where she'll live in purity and innocence, frolicking above the quiet meadows of paradise ..."
Demons: "Noooooo!"
Kanna: "Wait, wait, wait! What about the hot demon sex that I was promised in my afterlife? Hey?! Listen! Nooo...."