Eunhye (OC) is a quiet and shy girl who has no clue about kpop idols or the hottest kpop group. Her ordinary high school life takes a turn when bts members Rap-mon and Jungkook enter the same high school as Eunhye and even decide to befriend her. Things got worse when Eunhye finds out she is terminally ill and is expected to live for only 6 months. Who is Eunhye's guardian angel in her heart?