Here is the full list of all 21 Hot Coffe Shop achievements.
Reach Wave 5 with Diane
Reach Wave 5 with Melody
Reach Wave 5 with Vanessy
Get your First Gift from the Audience!
Reach Wave 10 with Melody
Reach Wave 15 with Melody
Reach Wave 20 with Melody
Defeat Sunny with Melody
Reach Wave 10 with Vanessy
Reach Wave 15 with Vanessy
Reach Wave 20 with Vanessy
Defeat Sunny with Vanessy
Reach Wave 10 with Diane
Reach Wave 15 with Diane
Reach Wave 20 with Diane
Defeat Sunny with Diane
Get Sunny to appear at the Lobby
Get All the Gifts for Melody
Get All the Gifts for Vanessy
Get All the Gifts for Diane
Get All Gifts