Love Is War! Anime Details and Episodes Lee Si-Yeon and Lee Si-Eon are fraternal twins and lifelong enemies. Constantly at each other’s throats since a young age, these two have competed over… Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryKorea GenresComedyDramaRomance TagsTwinsLove TriangleFull ColorHeterosexualBoys' Love RecommendationsNise x Koi Boyfriend CharactersTae-Hyeon SeoSi-Yeon LeeSi-Eun Lee