Here is the full list of all 30 Titty Crush achievements.
Crush 1000 cherries.
Crush 1000 melons.
Crush 1000 peaches.
Crush 1000 apples.
Crush 1000 bananas.
Reach 69000 points in Kiyos arcade level.
Reach 69000 points in Shiomis arcade level.
Reach 69000 points in Suzus arcade level.
Reach 69000 points in Dolores arcade level.
Reach 69000 points in Houki arcade level.
Conquer Suzu.
Speedrun the game in under 1 hour.
Conquer Dolores.
Conquer Shiomi.
Conquer Houki.
Conquer Kiyo.
You met Suzu
You met Dolores.
You met Shiomi.
You met Houki.
You met Kiyo.
Crush two apples.
Crush two peaches.
Crush two bananas.
Crush two coconuts.
Crush two cherries.
Crush two melons.
Play the game for the first time.