Not going to give up

The vatican wants Rin dead for good so Mephisto sends Bon away with Rin. Mephisto giving Ryuji a little present, but then Astaroth comes back making them run away. But also while they are away and trying to survive strange feeling start to bloom in them. Rin about to lose himself holds to this new feeling and Bon helps him.
(A/N) Also i don't own any of the characters, non of them are mine.