Shop Owner Goes Viral After Secretly Adding 100 Yuan to Meals for Children Undergoing Chemotherapy, Refuses Donations, and Refunds All Transfers

给化疗患儿外卖悄悄塞100元后走红，店主拒绝捐款，关闭部分外卖渠道，所有转账原路退回

A public trend signal observed across 1 source.