小男Ren想拿命疼小女Ren想用心爱
[xiăo nán ren xiăng ná mìng téng xiăo nǚ ren xiăng yòng xīn ài]
In this username, 'Ren' represents 'person' in pinyin. It means a little boy is willing to cherish a little girl with all his might while she repays with her whole heart, reflecting pure young love and care between teenagers.