改编自同名网络漫画的《善意的竞争》是一部悬疑心理惊悚片GL(Girl Love)作品，讲述了曾是高考出题委员的爸爸突然去世后，转学到首尔名牌女高中的涩琪与全校第一名也是实权人物Jay成为朋友，但越接近Jay，她的内心和死亡秘密就越来越暴露。

Na-mi and Sun-woo, who have been suffering from bullying and school violence throughout their school days, attempt suicide while their classmates go o