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