What are the spiciest fake dating romance books?

Of the 16 fake dating romance books smutrecs.com has rated, the spiciest are Twisted Lies (about 5/5), Reluctantly Yours (about 4–5/5) and Blind Side (4/5). 8 of the 16 are rated spice 4 or 5, on a scale from 0 to 5.

1. 
   Twisted Lies by Ana Huang spice about 5/5
2. Reluctantly Yours by Erin Hawkins spice about 4–5/5
3. 
   Blind Side by Kandi Steiner spice 4/5
4. Fix Her Up by Tessa Bailey spice 4/5
5. 
   Right Man, Right Time by Meghan Quinn spice 4/5
6. 
   Love Theoretically by Ali Hazelwood spice about 4/5
7. 
   The Deal by Elle Kennedy spice about 4/5
8. 
   The Fake Mate by Lana Ferguson spice about 4/5
9. 
   Iris Kelly Doesn't Date by Ashley Herring Blake spice about 3–4/5
10. 
    Take a Hint, Dani Brown by Talia Hibbert spice about 3–4/5
11. 
    The Ex Talk by Rachel Lynn Solomon spice 3/5
12. The Fiancé Dilemma by Elena Armas spice 3/5
13. 
    Written in the Stars by Alexandria Bellefleur spice 3/5
14. 
    Lovelight Farms by B.K. Borison spice about 2–3/5
15. 
    Practice Makes Perfect by Sarah Adams spice 1/5
16. 
    The Cheat Sheet by Sarah Adams spice 1/5

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