How spicy is each book in the Vicious Lost Boys series?

smutrecs.com has rated 2 books in the Vicious Lost Boys series by Nikki St. Crowe: Book 1, The Never King (about 4–5/5); Their Vicious Darling (5/5). No single series position is given for Their Vicious Darling.

1. 
   Book 1The Never King spice about 4–5/5
2. 
   Series position not givenTheir Vicious Darling spice 5/5

Each book page lists the sources behind its ratings. Ratings marked "about" are estimates. How we rate