待我长发及腰你还我命可好

'Dai Wo Changfa Ji Yao Ni Huanying Womining Kehao', translates approximately to 'When my long hair reaches waist length, you should save/redeem me'. In some contexts, waiting until her hair grows long and touches the waist is a way of expressing anticipation and dedication, especially related to romance. So, this username suggests a narrative of sacrifice and romantic redemption, where there might be a backstory implying she would wait or sacrifice herself in hopes he would come to redeem her.