Diabolik lovers-Addiction and temptation

if yui had seductive power that only worked on ayato without knowing she was being an obsession for him.she was driving him mad without really knowing.
then when seeking for help toward laito who seemed to act normal.
will it help thing
get better or worsen things.is he like Ayato obsessed toward her?
in the end who will she choose will it be one of these two or will there be the third unknow one??
what happen if her childhood friend came back?
will she believe in her destiny that's written in the paper or will she change it and marry someone else instead of ayato or laito??
read to find out.

(i own the character Blade only)