Here is the full list of all 22 iLLANG achievements.
Earn Jin Character
Earn Kira Character
Earn Neru Character
Earn Mio Character
Earn Asahi Character
Earn Chaju Character
Play 10 Games
Earn Dakki Character
Earn Ema Character
Earn Souta Character
Earn 50,000 Golds
Earn Kaito Character
Earn Kyupi Character
Earn Tanuki Character
Earn Seoa Character
Earn Harumi Character
Earn Yagami Character
Earn Rin Character
Earn Akira Character
Earn 10,000 Golds
Earn Honoka Character
Earn Usami Character