Also known as: マナ
Muirne (Mana in the Japanese version) is the substitute of Lana and Deimne's little sister in Fire Emblem: Genealogy Of The Holy War, she appears if Edain was unmarried or dead before the end of the first generation. A shy but sweet-mannered commoner born in Isaach, she shares Lana's willingness to help her allies on the battlefield and has also feelings towards Seliph despite their differences in status with him being Grannvale's legitimate heir.
However, one of her personal events involving Seliph after Connaught Castle has been seized in Chapter 8 can allow her end up with him should it be activated.