Here is the full list of all 15 Escort's Secrets 18+ achievements.
Survive the first day
First intimacy with Abby
First intimacy with Sheila
Bark for Abby
Order something Sheila likes at a restaurant
First intimacy with Nio
Guess Nio's secret desires.
Help Jesse with the blog on the street
Missed the timer more than twice
Didn't make a single optional purchase
Declare your love for Sheila
Accept Sheila's help
Declare your love to Jessie
Join Jessie's channel
Open all endings