2-Star Princes

2-Star princes can be obtained in the Friend Coin Gacha or the Coin Event Gacha (available only during coin events). They have 3 chapters prior to Awakening and 2 after.

Aldebaran (アルデバラン)
Antares (アンタレス)
Cohen (コーエン)
Flu (フリュー)
Kaine (カイネ)
Lian (ライアン)
Lied (リード)
Sharon (シャロン)
Spica (スピカ)
Stimma (シュティマ)