In the present day, a demon emerges through the Sacred Tree at Higurashi Shrine with Setsuna, Towa’s twin, and the bounty hunter Moroha in tow. Towa, Setsuna, and Moroha struggle to battle the demon, whose powers have been strengthened with two Rainbow Pearls, but seeing Setsuna in trouble awakens Towa’s latent demon powers.
it's very possible that she may have 
already killed the other out of hate.
.فعلى الأرجح أنّ إحداهما قد قتلت الأخرى سلفًا بدافع الكراهية
Womöglich betrachten
sie einander als Feinde
le due potrebbero aver sviluppato un odio reciproco,
Podem acabar se odiando como inimigas,
она могла уже убить 
своего близнеца просто из ненависти.