ThedramadepictsKimMinJae,atransferstudentmajoringinPracticalMusicandworkingpart-timeatthelibrary,andLeeKyuHo,aTaekwondomajorwhohelpedhim.Sincetheirfirstmeeting,thetwohavebecomeentangledandcloser,leadingthemtodeveloparomanticrelationship.
车珠英,李贤旭,李星民
沈利煐,宋昌义,崔贞允,郑英燮
朴荷娜,朴尚南,金史权,李妍度,朴真熙,李垠亨
罗映姫,池秀媛,金惠玉,崔钟焕,韩可露,崔尚（최상）,朴利媛（박리원）,权道英（권도형）
李惠利,郑秀斌,姜惠元,吴友利,崔荣宰,金太勋,刘贞莱
严志媛,安在旭,李必模,崔大哲,金烔完,尹博,李锡基,박준금,裴海善,朴孝朱,刘仁英,金承允,申涩琪,金俊裴,尹俊源
裴仁赫,金智恩,郑干柱,朴宰灿
李敏镐,孔晓振,吴正世,韩智恩,亚历克斯·哈夫纳,李艾,金周宪,朴真珠,金应洙,李初熙,BarriTsavaris
李世荣,罗人友,崔民秀,崔喜珍,郑容柱,李昭隶,救援
池珍熙,李奎炯,白智媛,李珉载
