Young-looking person in a narrow indoor stairwell or hallway, bent forward with underwear visible and face mostly hidden by hair; likely next moment: they straighten up or move along the stairs.
Renren @lucien_renlen

Tôi đã nghịch cô ấy trong lúc đang lái xe😆 Cô ấy giật giật trông đáng yêu lắm!