Here is the full list of all 57 MY HERO ONES JUSTICE achievements.
Obtain 400 player customization items.
Fight 100 local matches.
Reach a combined character level of 500.
Obtain 300 player customization items.
Complete Maps 1 to 6 with an A-Rank or above.
Obtain 450 character customization items.
Obtain 350 character customization items.
Obtain 250 character customization items.
Fight 50 online battles.
Fight 20 online battles.
Win 50 battles using villains.
Collect 100,000 hero coins.
Acquire 100 titles.
Complete Map 6.
Complete Maps 1 to 6.
Complete Map 5.
Complete Map 4.
Fight 30 local matches.
Perform 50 Plus Ultras using villains.
Obtain 200 player customization items.
Win 50 battles using heroes.
Complete Score Attack Mission.
Perform 50 Plus Ultras using heroes.
Reach a combined character level of 100.
Complete Map 3.
Win 20 battles using heroes.
View 20 characters' battle entrances.
Collect 50,000 hero coins.
Reach a combined character level of 50.
Complete every story chapter with an A-Rank or above.
Complete every story chapter.
Obtain 150 character customization items.
Complete "All For One."
Win 20 battles using villains.
Use sidekicks 100 times.
Complete "Complete Victory."
Complete "Encounter."
Obtain 100 player customization items.
Get a perfect win 10 times in online or local matches.
Fight 5 online battles.
Trigger 50 wall rushes.
Complete Map 2.
Complete "A Real Hero."
Use sidekicks 50 times.
Fight 10 local matches.
Complete "One For All."
Complete "Climax."
Fight on 5 stages in local matches.
Acquire 20 titles.
Complete "Up and Over."
Perform 1,000 combos against opponents.
Complete "Re-Ingenium."
Use sidekicks 10 times.
Use Quirk Specials 100 times.
Complete Map 1.
Get an Ultra Finish.
Complete "Bizarre! Gran Torino Appears."