knock knock who is there. portrait of shocked good-looking female student in trendy t-shirt, holding okay or ok sign

adult advertisement advertising amazed amazement astonished background beautiful charming cheerful confident cute emotional emotions european excited expressive fashion female friendly gesturing gift girl girlfriend gray grinning happy horizontal isolated joyful peeking person playful portrait pretty relaxed smile smiling soundminded student studio stylish surprise surprised trendy upbeat waiting woman young youth