Here is the full list of all 23 Magical Drop V achievements.
Unlock Black Pierrot
Win a match in less than 60 seconds
Unlock Fortune
Complete the Story Mode with a Magical Drop Character
Perform 10 Chains
unlock all Gallery content
Win a Match and reach Rank S
Win online Match against all Character
Win 20 online Match in King of the Hill
Win 20 online Match in Head To Head
Unlock McCoy
Unlock Mushman
Complete 25 Level in Marathon Mode
Complete 50 Level in Marathon Mode
Complete 100 Level in Marathon Mode
Complete the Story Mode with a Ghostlop Character
Perform 15 Chains
Perform 20 Chains
Perform 25 Chains
create a lobby
Win enought Battle Points to Reach Rank D
Complete 75 Level in Marathon Mode
Complete All Tutorial