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