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