If the Sun Should Set on All My Hopes and Cares by Ben Arzate

Rick is divorced, has a drinking problem, and works as a janitor at his local high school. During one of his shifts, he makes a shocking and disturbing discovery in the girls' bathroom that sucks him into the lives of two of the students. Despite his best efforts, he finds that he may be powerless to prevent the two from heading down a path of destruction for themselves and others, especially when he can barely keep himself and his disintegrating relationships together.