Here is the full list of all 36 Adorable Crush achievements.
Collect 200000 Lovecens
Create a super token by 7 token matched
Create a 7 token matched without creating super token
Unlock at least 4 collection
Finish final night date with every girls within 4 hearts
Give gifts to any girls 100 times
Finish final nightdate with every girl in hard mode
Use date gift 50 times
Read every story
Unlock every girl's preferences and details
Earn 1500 or more Affection in a single move while on date
Finish final night date with NIKO
Visit every locations
Finish final night date with AKARI
Buy every date gift
Accumulate 40 Joy in one date
Get every girl drunk at least one time
Finish final night date with SARA
Reach 5 hearts with every girl
Successfully finish 25 date
Finish final night date with MASAMI
Unlock Masami
Finish final night date with HINA
Finish a final night date
Get a super token with 3 token matched
Max all traits
Successfully finish 10 date
Successfully finish 10 challenge date
Unlock Niko
Get girl drunk and date with her
Successfully complete a date with at least 16 Moves remaining
Unlock Akari
Successfully finish the first date with any girl
Unlock Hina
Finish the prologue
Unlock Sara