I've only read like... the description and a couple of pages but IS THIS MANGA SOMEHOW RELATED TO
http://www.mangago.zone/read-manga/shinigami_hime_no_saikon/
BECAUSE NOT ONLY IS THE CONCEPT PRETTY SIMILAR BUT SO ARE THE NAMES AND EVEN HOW THEY DRESS IM CONFUSED
the que sera sera shirt has me DEAD XDXDXD
For those of you who don't know, it basically means "it is what it is" or "what happens, happens"