For a girl with only a hundred days left to live, what would she do with her 100 days? For Fei Yang, she would live her life to the fullest each and everyday. Having learned that she inherited the same disease that killed her father, she decided to forgo treatments and live out the rest of her short but carefree life in Shanghai. In this city, she meets Xu Feng. She soon fell in love with him, and decided to spend her last days with him. But as her disease worsens, how much more days of life will she have to spend with Xu Feng?
Back in his high school days, Joon-Seok (Joo Sang-Wook) was bullied by Chang-Sik (Yang Dong-Geun). Because of this, Joon-Seok's high school days were like a nightmare. Now, Joon-Seok finds it difficult to live a normal life due to the bullying. Meanwhile, Chang-Sik, who has forgotten what he did to Jeon-Seok, lives a relatively happy life. He is about to marry Ji-Hee (Lee Tae-Im). Joon-Seok will pay him back for all the misery.
Ha-yeong is dumped by her boyfriend on the 100th day of their relationship, an important milestone for every couple. Hyeong-jun is a wealthy and handsome man who melts women wherever he goes, but is not interested in dating. One day, as the later is driving his luxury car, the two will meet. Disgruntled by her recent rejection, Ha-yeong kicks a soda can out of frustration, which finds its way onto Hyeong-jun\'s head. Startled by the impact, he loses control of his car and scratches it against a wall. When Ha-yeong is unable to pay for the damages, he persuades her to repay him by signing a contract that binds her to his service for 100 days. What happens next is strictly by the (silly) book and inevitably, they both start having feelings for one another.
Can a coward commit suicide?
Meet Kita Yoshio, a very unlucky man who has chosen his close friend's death anniversary as his suicide date, which is 11 days away. The number 11 has been quite significant throughout his life: he was born on November 11th; his roll call number at school was #11; and 11 years ago, he and his wife, Mizuho, went through a divorce. Debt-laden and feeling unneeded to the world, he sells off all his belongings and plans for his death date. However, on the 1st day, he meets Yashiro Heita as well as numerous other characters who will cause him to experience the most eventful 11 days of his life. -- Rikayla