Just wanted to leave this here:
Aptitude on
MU
Subaki
Hana
Silas
Kaden
Azama
Setsuna
Orochi
Hinata
Oboro
MC ID: 18251 - 97889 - 00622 - 61315 (Hoshi.)
These were the ones i had trouble finding Aptitude on so I thought I post this in case anybody else got the struggle.
Got every 1st gen with Apti so far, missing Scarlet, Reina, Yukimura, Izana, Shura, and Ryoma.
Peace