In a fateful reunion facilitated by a dating site, two sisters are happily living together when the older sister's ex-girlfriend suddenly appears. This story, titled 'A Story of Meeting My Younger Sister on a Dating Site ~Day 333~', depicts their sweet cohabitation and the days filled with the first crisis they face together. Additionally, it includes other well-received short stories from the internet, such as 'A Story of Meeting My Boss on a Dating Site' and 'A Story of Being Kissed by a Part-Time Junior Who Has Never Talked About My Communication Disorder'. This collection is packed with the charm of Mochiore, a yuri manga artist known for depicting bold themes, and is the second volume in the [A Story of Meeting My Younger Sister on a Dating Site] series.