Focusing on the recent trend of producing and distributing a large number of BL (Boys' Love) contents on OTT(over-the-top) platforms, this study examined the background and popularization success strategy through a text and acceptance characteristics analysis of WATCHA Original’s series “Semantic Error”. “Semantic Error” is evaluated as a work that has been a catalyst for bringing BL to the public level, which was previously enjoyed by a small number of female fans with male homosexual tastes on specific platforms. A meticulous popularization strategy was hidden behind the spectacular report cards, including securing the long-term No. 1 viewer ranking creating topics of conversation, and achieving the commercial success of related IPs. As a result, “Semantic Error” spread to more audiences, leading to increased interest among IPs such as novels, webtoons, and dramas, as well as strategic level control aimed at expanding BL audiences and enjoying variations based on Super IP. “Semantic Error” is also meaningful in that it presented an evolved BL type by breaking away from the cliché of stereotypical BL such as 'seme' and 'uke'. The story development, which focuses on love, friendship, and growth, was recognized by viewers as an ordinary drama, not BL, and served as a pointt of attraction and competitiveness as a “content” which was confirmed through text and audience response analysis.