Here is the full list of all 32 Half Minute Hero: The Second Coming achievements.
Listened to ALL of Coo's song.
Unlocked "Infinite Master" title.
Unlocked "Debt Bird Buster" title.
Unlocked "Goddess Loan Hero" title.
Unlocked all 14 quest titles in Destiny.
Unlocked "Crafting Mania" title.
Unlocked half of the quest titles in Destiny.
Unlocked "Ultimate Tag Team" title.
Unlocked "Take Their Hand" title.
Unlocked "True Leader" title.
Unlocked "No. 30, The World" title.
Unlocked "Fateful Reunion" title.
Unlocked all 46 quest titles in Ragnarok.
Unlocked all DLC quest titles(6 total).
Found Evil Lord Medals 71-80 and obtained all other "Beauty" achievements.
Found Evil Lord Medals 61-70.
Unlocked half of the quest titles in Ragnarok.
Found Evil Lord Medals 51-60.
Unlocked "Infinite Clear" title.
Unlocked all 44 quest titles in Revolution.
Found Evil Lord Medals 41-50.
Found Evil Lord Medals 31-40.
Unlocked "Three Venus" title.
Unlocked half of the quest titles in Revolution.
Found Evil Lord Medals 21-30.
Unlocked all 26 quest titles in Judgement.
Unlocked "Return of the Hero" title.
Found Evil Lord Medals 11-20.
Found Evil Lord Medals 1-10.
Unlocked half of the quest titles in Judgement.
Unlocked all 24 quest titles in Overture.
Unlocked half of the quest titles in Overture.