Here is the full list of all 47 Seven Deadly Dates achievements.
Get Ailysh neutral ending
Get Ailysh good ending
Get Ailysh ace ending
Get Ailysh Secret Ending
Get Bell neutral ending
Get Bell good ending
Get Bell ace ending
Get Bell secret ending
Get Monykah neutral ending
Get Monykah good ending
Get Monykah ace ending
Get Monykah secret ending
Get Luucie neutral ending
Get Luucie good ending
Get Luucie ace ending
Get Luucie Secret ending #1
Get Luucie Secret ending #2
Get Sathana neutral ending
Get Sathana good ending
Get Sathana ace ending
Get Sathana secret ending #1
Get Sathana secret ending #2
Get Asche neutral ending
Get Asche good ending
Get Asche ace ending
Get Asche secret ending
Get Zephyr neutral ending
Get Zephyr good ending
Get Zephyr ace ending (And may god help you)
Get Zephyr secret ending
Hurt everyone's feelings
Don't find anyone to date
Everyone likes you!
Everyone LOVES you!
You didn't even try, huh?
Get all non-specific endings
Get all CGS
Get all the endings!
Finish the tutorial
Break up with Ailysh
Break up with Bell
Break up with Monykah
Break up with Luucie
Break up with Sathana
Break up with Asche
Break up with Zephyr
Find a friend!