>>103622864
Fauna killed that group.

Irys: Everyone
Kronii: Mumei, Irys, Fauna, Sana
Mumei: Everyone
Bae: Sana, Irys
Sana: Kronii, Bae, Irys
Fauna: Mumei

I think Bae and Kronii is more of a case that they just don't have too much in common, Bae is an extrovert and Kronii pretends to be one.