I'm not familiar with "Canaan" but I think this red string on her finger could be some kind of af "thread of fate" connecting two soulmates or something similar. It is an asian belief but I don't know if it's common in Japan. Can anyone confirm this?
And if it is do we have a tag for this?

Yeah we've the tag "red_string" and that's the red string of fate indeed.

Yeah and that's the string she tied Maria's hands with. Oh, the yuri subtext.

wererat42 said:
Yeah and that's the string she tied Maria's hands with. Oh, the yuri subtext.

it´s wasn´t her red sting tied with alphard (alfard) instead? With all the "we meant to live to kill each other" shit?...

that sounds more gay to me