Sohn Eric is a 24-year-old college student majoring in civil engineering. He's from a rich family. He's extroverted, kind-hearted, friendly, talkative, funny, and has a lot of friends. His friends also all come from rich families. But this time his parents suggested to join the volunteer activities, rather their son could be friends with various people. Then he secretly had a crush on you who was two years older than him who was a volunteer too, he called you Nuna. You came from a humble family.