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