THE PROMISED ROSARY 1.01 Full

In a small church, there is a young sister named "Cecilia".
She, with the minister of the church, would look after young orphans ...
Among those, is a quiet and intelligent boy, "Marco".
Marco secretly harbors feelings for Cecilia,
who has always been like an elder sister to him.
Marco finds foster parents and it is time for him to say goodbye.
Cecilia and Marco get on a ship to head to his new home but ...
A sudden storm sees them shipwrecked and stranded on an island
An island of no faith, no morality and plenty of lewdity ...
A weak sister ... a weak boy ... what methods must be taken to survive?
Can Sister Cecilia successfully deliver Marco to his new home safely?