Heo Ji-hyuk, a popular and attractive individual known for his social media presence and texting habits, finds his position challenged by the arrival of Soo-ho. As Soo-ho gains popularity, threatening Ji-hyuk's status as the top social media follower, Ji-hyuk begins to feel insecure. To regain his prominence and potentially exploit Soo-ho, Ji-hyuk discovers and decides to attempt the "Kiss Your Boyfriend Challenge" with him, hoping to achieve 100 million views.
