白九妹你是我的妻刘哥哥你是我的夫
[bái jiŭ mèi nĭ shì wŏ de qī liú gē gē nĭ shì wŏ de fū]
'Bai Jumei, you are my wife Liu Gege, you are my husband.' In traditional Chinese drama and literature contexts, characters might be referred to by these kinds of titles. It’s likely a role-play or fictional setup involving intimate relations between named characters in an imaginative setting.