Here is the full list of all 41 The Arrogant Kaiju Princess and The Detective Servant achievements.
Occupy 1 area.
Occupy 3 areas.
Occupy 5 areas.
Occupy 7 areas.
Occupy all areas.
Complete the Ninja costume sexual encounter.
Complete the Soldier costume sexual encounter.
Complete the Qipao sexual encounter.
Complete the Elf costume sexual encounter.
Complete the Kaiju costume sexual encounter.
Complete the Succubus costume sexual encounter.
Clear the game once.
Clear the game with a bad ending.
Mouth Achievements Lv.1
Mouth Achievements Lv.2
Mouth Achievements Lv.3
Breast Achievements Lv.1
Breast Achievements Lv.2
Breast Achievements Lv.3
Clitoris Achievements Lv.1
Clitoris Achievements Lv.2
Clitoris Achievements Lv.3
Vagina Achievements Lv.1
Vagina Achievements Lv.2
1st Double Orgasm
1st Quadruple Orgasm
1st Octuple Orgasm
Ejaculate twice.
Ejaculate 10 times.
Ejaculate 20 times.
Ejaculate 100 times.
Semen ejaculated reaches 1,000.
Semen ejaculated reaches 10,000.
Semen ejaculated reaches 100,000.
Semen ejaculated reaches 1,000,000.
Orgasm together for the first time.
Kiss 10 times.
Kiss 100 times.
Kiss 365 times.
Reduce Daigneux's stamina to zero for the first time
Vagina Achievements Lv.3