Selling It Because We Broke Up

College senior Seo Jeong-ha concludes that it’s the right moment to put up the speaker her ex-boyfriend gifted her on a secondhand marketplace app. The reasoning is straightforward. She has recently begun dating Park Min-jun, a charming and exceptionally kind guy who shows significant boyfriend potential, and holding onto her ex’s baggage is just an enormous hassle. Feeling more liberated than ever, Jeong-ha sets out to meet the buyer, only to encounter the very last person she anticipated… Her ex-boyfriend, Choi Seo-hoon. How much do you think this thing cost?! And you’re selling it for a mere hundred and fifty bucks?! A tumultuous love triangle romance ignited by a secondhand transaction that has gone completely awry!