Here is the full list of all 46 Lust Goddess achievements.
Reboot mercenaries 1 time
Achieve League 20
Get 100% Zara Digital Data
Achieve rank 10
Open a legendary crate
Get 100% Eve Digital Data
Chat with Regina in Love Direct 1 time
Chat with Kitty in Love Direct 5 times
Open 50 crates
Get a reaction in Love Direct 10 times
Open an epic crate
Receive 1 photo in Love Direct
Chat with Kitty in Love Direct 1 time
Complete the tutorial
Get 100% Florence Digital Data
Win 1 battle in PvP
Reboot mercenaries 20 times
Open 500 crates
Open 2500 crates
Open 5000 crates
Achieve rank 50
Achieve rank 100
Achieve rank 200
Achieve League 10
Achieve League 5
Achieve League 1
Win 500 battles in PvP with Ethan
Win 500 battles in PvP with Rachie
Win 500 battles in PvP with Ceres
Win 500 battles in PvP with Melissa
Win 500 battles in PvP with Gia
Win 500 battles in PvP with Roxie
Win 500 battles in PvP with S0LT
Chat with Kitty in Love Direct 8 times
Chat with Regina in Love Direct 5 times
Chat with Regina in Love Direct 8 times
Get 100% Dominica Digital Data
Get 100% Hannah Digital Data
Get 100% Madeleine Digital Data
Get 100% Yumiko Digital Data
Get 100% Amy Digital Data
Receive 10 photos in Love Direct
Receive 50 photos in Love Direct
Receive 100 photos in Love Direct
Get a reaction in Love Direct 100 times
Get a reaction in Love Direct 500 times