Here is the full list of all 14 Renai Karichaimashita: Koikari - there are Love For Hire achievements.
Start a New Game
Start Emi Route
Finish Emi Route
Start Hasumi Route
Finish Hasumi Route
Start Twins Route
Finish Twins Route
Start Tsubaki Route
Finish Tsubaki Route
Start Saki Route
Finish Saki Route
Start Momoko Route
Finish Momoko Route
Reach the Bad End