Analysis of The #Sline Social Network on Tiktok

This study analyzes the communication network of the SLine hashtag on TikTok, a digital phenomenon that emerged after the broadcast of the Korean drama S Line in July 2025. This study aims to reveal communication patterns, key actors, and shifts in the meaning of the SLine hashtag from a promotional tag for a fictional drama to a controversial Sline trend among users, especially among the younger generation. This study uses a descriptive quantitative method with Social Network Analysis (SNA) through NodeXL to map network structure, centrality metrics, and cluster formation. The results show a directed network consisting of 942 accounts, dominated by giant components, with 23 sub-communities representing fragmented but connected discourse clusters.