Unlock the following characters by performing the corresponding tasks:

CHARACTER - HOW TO UNLOCK
Basilicum - Enter 1, 7, 14, 16, 5, 12, 10, 3 as a password
Chikusa - Beat Arcade mode with Gokureda
Didi and Zizi - Beat Arcade mode with Lambo or I-Pin
Hyper Dying Will Tsuna - Beat Arcade mode with Tsuna
Ken - Beat Arcade mode with Yamamoto
Lancia - Beat Arcade mode with Mukuro
M.M. - Beat Arcade mode with Bianchi
Mukuro - Beat Arcade mode with Hyper Dying Will Tsuna
Squalo - Beat Arcade mode with Basiliscum on Hard difficulty