(played by Jung Kyung-ho): A celebrity "trillion-won" math tutor known for his high energy and effective teaching. Despite his outward success, he struggles with an eating disorder and stress, finding that he can only comfortably digest the food from Haeng-seon's shop. Episode 1 Highlights
: A high-definition video source ripped from a digital platform (likely Netflix or tvN). (played by Jung Kyung-ho): A celebrity "trillion-won" math
: Their relationship begins with a chaotic encounter involving a foot race and a misunderstanding, setting the stage for an "enemies-to-lovers" dynamic. (played by Jung Kyung-ho): A celebrity "trillion-won" math