剧情: One day, a 29-year-old man traps as a 19-year-old young student, an extra character inside the novel that his ‘Sunbae (Senior)’ was writing and receives a mission—to make Cha Yeonwoon happy within 300 days—otherwise, death will be his penalty. Will he be able to survive, to protect his loved ones and fulfill his mission
周五俱乐部17恋情理念/星期五俱乐部系列之没有任何理论适用于所有爱情/爱情论点之21天概论/爱情理论问题之爱恋论理/ClubFridayTheSeries17TheoryofLove 21/周五俱乐部17情论21/周五俱乐部17爱情概论之理论21天/ClubFriday17TheoryofLove21 Days Theory/ClubFriday17TheoryofLove/周五俱乐部17季21天恋爱论/周五俱乐部17情爱论理之21日理论/-->