Here is the full list of all 42 Seducing The Devil achievements.
You've accepted Cathy
Fun with Selina & Cathy
You've decided to lie to Selina
You gave your soda water to Cherry
You've rejected Selina
You met Ella for the first time
You've rejected Veronica
You've decided to watch the show
You've heard Veronica's confession
You've made an excuse to escape Riley and Selina
You've accepted Veronica's feelings
You've decided to stay with Veronica
You've decided to tell Selina the truth
Ella is coming to you
Fun with Bethany
You've listened to Selina
You've explained to Selina and Riley
You are taking Selina and Veronica with you
You remained calm
You've decided to throw away the protein
You've punished Madison
You've opened up to Olivia
You gave permission to Veronica
You've decided to embrace Kylie & Riley
You have chosen Ella
Fun with Ella & Cherry
You've decided to help Kylie
You've decided to call Diana
You have helped Tana
You have chosen Selina
Fun with Cathy
Fun with Selina & Cherry
Fun with Veronica
You kissed Selina for the first time
You've decided to chat with Riley
You've decided to go to Diana's place
You've embraced Veronica
You've tricked both Selina & Veronica
You stood up for yourself
You've made plans with Selina
You've decided to keep the protein
You are free to go through