Here is the full list of all 47 Persona 5 Strikers achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Earned all Achievements.
Completed the Inmate Registry.
Maxed out all BOND skill levels.
Started a New Game+ on Merciless Difficulty.
Defeated all Dire Shadows.
Defeated the Reaper.
Trained all Phantom Thieves to level 70.
Completed the Tree of Knowledge.
Defeated a Dire Shadow.
Defeated 10 Treasure Demons.
Completed the Jail of the Abyss.
Sophia found strength of heart.
Completed the Osaka Jail.
Completed 50 requests.
Cooked 12 types of food.
Obtained all Master Arts for Wolf.
Obtained all Master Arts for all characters.
Cleared all special requests from the Phantom Thieves.
Completed the Kyoto Jail.
Opened 50 treasure chests.
Spent Persona Points to strengthen a Persona's stats.
Wolf awakened his Persona.
Completed the Okinawa Jail.
Hit the enemy's weakness 300 times.
Obtained all Master Arts for Sophie.
Maxed out a BOND skill level.
Obtained a souvenir for the camper.
Completed the Sapporo Jail.
Obtained a total 200 items from the Jails.
Obtained all Master Arts for Noir.
Obtained all Master Arts for Queen.
Obtained all Master Arts for Mona.
Used Incense.
Completed the Sendai Jail.
Performed an All-Out Attack 150 times.
Obtained all Master Arts for Fox.
Completed a request.
Obtained all Master Arts for Panther.
Bought something during a limited time sale.
Obtained all Master Arts for Skull.
Performed 50 ambushes.
Defeated 200 enemies with a phantom dash.
Cooked food for the first time.
Completed the Shibuya Jail.
Obtained all Master Arts for Joker.
Witnessed the Phantom Thieves' reunion.
Activated Showtime.