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