it was kinda obvious after a short time, if you think about it
I KNEW ITTTTTTTT
Cicero? Is it the guy he met at the grocery store? If that's him then dang I was right!
So Jonathan and Kaiser are twins... I won't get my shounen ai? Oh well the plot is good so I'm here to stay!
Ehhhh kister and cicero are the one who twins. They had same eye colour. I think kister and jonathan migjt be lovers in the past but jonathan lost his memoy sumn like that...since he fell off the cliff?
SPOILER
don't read it if you don't want to know
they are TWINS and 'cicero' is the real serial killer.