Here is the full list of all 20 The Initial achievements.
very hard accomplished
Get coins 50000
Kill enemy 1500
Reaching the S rating is not easy
Play the game in any mode
Unlock very hard difficult
Watch the complete list
Beat Ruri at any difficulty.
Kill enemy 500
Learn all the skill
Beat Kyuya at any difficulty.
Kill enemy 200
Beat Ironclad at any difficulty.
Beat Ryuzaki at any difficulty.
Buy a new skill
Eliminate V-E robot
Destroy the enemy with the interference of the trap
To restore the energy device of a college district
Thank you for your purchase
Execute enemies 200