Alright, here's YN's group!
Maki Zenin
Rize Kamishiro
Pieck Finger
Toji Fushiguro
Bronya Zaychik
Megumin
Edward Elric
Aki Hayakawa
Seeing as this is a DxD story... obviously YN's gonna have a harem. Here are the members:
Maki
Rize
Pieck
Bronya
Megumin
Sona (Eventually)
Koneko (Eventually)
Kuroka (Eventually)
Xenovia (Eventually)