This document outlines a Valentine's Day digital marketing campaign for YoMost. The campaign's objectives are to enhance YoMost's brand image as a top brand for Valentine's Day and create a unique way for couples to express love through an augmented reality mobile app called YoLove. The target audience is Vietnamese young couples aged 18-30. The campaign strategy involves releasing an online video and deploying the YoLove mobile app, social media, web banners, and website to encourage sharing love messages. The campaign saw over 200,000 video views and thousands of love messages shared, showing the potential of digital campaigns to engage youth audiences.