Here is the full list of all 38 Meltys Quest achievements.
See all six endings.
Defeat the secret boss on True Princess Mode.
Defeat the final boss while only using Love Shot or Love Wave to do damage to the final boss.
Obtain the secret outfit.
Obtain the sword of a king.
Give life twenty times.
Read Garnet's letter.
Defeat the final boss on True Princess Mode.
Meet the wandering swordsman while having done the oldest profession in the game five times or more.
Face the first boss of True Princess Mode.
Pointless, useless, futile, meaningless.
Get the Pure Ending while in Princess Mode.
Have exactly 7 in all three cream related experiences.
Wear only what you were born with.
Wear the JK Clothes.
Slay a relic of the past.
Learn a Skill from using an Item.
Save the world.
Complete the rebuild of Castle Rothstein.
Achieve bliss a total of 100 times or more.
Pick the fourth option while talking to Zanelli.
Time to kick some butt!
Wear Melty's new favorite battle outfit.
Defeat a chicken. Wow.
Help someone prepare for their graduation.
Cannonball!!
Wear the Nurse Uniform.
Mine an iron ore.
You lost on purpose didn't you.
Give the Red Potion to Rudolf.
Oh hey, didn't see you there.
Got Milk?
Defeat Dark Globbers while only using Love Shot or Love Wave to do damage.
Mano a Mano Defeat Dark Limey using only Strike skills, Guard or Items.
Defeat Dark Lilf while wearing an Apron.
Let Dark Pietra defeat herself.
View the hidden ending.
Defeat D.M.U. on True Princess mode without retreating during the fight.