Here is the full list of all 47 Judgment achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Completed all of the main story.
Found all the stray cats while in search mode during the main story.
Presented the right evidence to the judge on the first try.
Controlled the drone for over an hour.
Cleared all of the side cases.
Defeated the opponent in the side case, "A Final Request."
Obtained all skills.
Made 50 friends.
Completed Chapter 12.
Saved Sugiura with less than 10 seconds left.
Completed Chapter 10.
Four girls revealed their true feelings.
Completed Chapter 8.
Got the password right on the first try.
Two girls revealed their true feelings.
Entertained the customer flawlessly.
Completed Chapter 6.
Completed all Dice & Cube courses and rules at Paradise VR.
Cleared 30 side cases.
A girl revealed her true feelings.
Made 30 friends.
Won first place in every D-League race.
Ate all of Tomioka-san's homecooked meals.
Sold 100 items to Ebisu Pawn.
Fully investigated Terasawa.
Completed Chapter 4.
Obtained 60 skills.
Flew the drone in first person mode for 60 seconds.
Cleared 10 side cases.
Completed 30 KamuroGo City Missions.
Played every arcade game.
Completed Chapter 2.
Doubled your chips at L'Amant.
Obtained 30 skills.
Completed 10 stores in KamuroGo's Shop Missions.
Completed five stores in KamuroGo's Shop Missions.
Made 10 friends.
Completed 10 KamuroGo City Missions.
Retrieved the money from the Horseplayer Detective.
Obtain all other achievements.
Completed the game on LEGEND difficulty.
Completed all of KamuroGo's Shop Missions.
Completed all KamuroGo City Missions.
Shopped 100 times.
Obtained 50 pickups in Kamuro of the Dead.
Obtained all drone parts.
Achieved 100% completion of KamuroGo. Wow!