Also known as: ハートおっぱい, おっぱいハート, 桃心胸挑战, 胸部比心挑战
A Memetic trend in which women post Selfies of themselves making a heart-shape over their Breasts such that their hand covers their nipple.
The trend, which began in July of 2017 on Chinese social media, was seemingly started by a Chinese live-streamer by the name of Ayi Xi Tai Lǜ (阿姨洗太绿).