Thus, s2couple19 eolgongchuga indo18 new could mean: C. K-Pop Fandom (Shipping Culture) In K-pop, "couple" refers to shipping two idols. 19 could be the age or a suggestive concept. s2 = season 2 of a fanfiction series. indo = Indonesian fan translation. eolgongchuga = possibly a misspelling of eolgul bit chuga (얼굴 빛 추가) – "face light addition" – or a coined ship name.
A Korean adult webtoon artist releases "Season 2 of Couple19" (s2couple19), a fan group nicknames one character "Eolgongchuga," and an Indonesian fan team releases a newly translated/subtitled version ("indo18 new"). B. Gaming Clans or Private Servers s2 often appears in game server names (e.g., Lineage 2 , Ragnarok Online private servers). couple19 could be a guild or couple battle team. indo strongly points to Indonesian gaming communities. eolgongchuga might be a player’s custom username.