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