Meanings of crepuscular contortion in English

They were the ones really enjoying themselves here in Madeleine's crepuscular contortion, her little secret hide-away.

Melissa had chosen Madeleine's house to have this conversation with Rex for one simple reason: inside its crepuscular contortion, their minds couldn't be overheard.

Here inside the crepuscular contortion that had protected her for fifty years, the human presence of the outside world didn't bother him as much.

It wasn't about saving Rex; it was about raising her own private army to free her from the castle of crepuscular contortions.

"You mean like this crepuscular contortion?"