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