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

29岁的泰明河突然掉进小说改编的游戏裡，并以19岁的年纪与他最喜欢的小说人物车如云相遇。在他人生中的黑暗时期裡，首要使命便是要让车如云幸福，否则迎接他的将是死亡……☆前往你的世界送上幸福，就是我的任务！☆韩国网漫改编，重现唯美浪漫氛围☆《上流战争》李泰彬、《学校2021》车柱完与选秀节目偶像车雄基主演