Kyu Han, a seemingly ordinary student, is cursed with an unlucky jinx. Every time he sneezes, things go exactly the opposite of what he hopes, forcing him into all sorts of unfortunate situations in his daily life. However, despite his supernatural bad luck, he still romantically chooses to pursue his one-sided crush, believing that if he just tries his hardest, there’s nothing he can’t achieve.

Lee Seul Bi is an angel who is sent to Earth to look after Shin Woo Hyun, who lives with his grandmother and carries emotional scars from being abandoned by his parents. Despite his cold demeanor, Woo Hyun is popular in school because of his good looks and singing ability. When his best friend, Hwang Sung Yeol, finds out a secret that ties them together and also develops feelings for Seul Bi, who is posing as a fellow student at their school, the best friends turn into rivals.

This drama tells the story about a excellent student who transfer to a school that contain full of bad boys.

Shotaro Taguchi is a newly recruited attorney. As part of a new "school lawyer system", he is sent a middle school. There he encounters an angry student’s guardian who came to complain about her daughter's corporal punishment. The guardian threatens to sue the school but Taguchi kicks the person out from school. A few days later, the corporal punishment issue develops to an unexpected situation. The guardian sents a document with the student's homeroom teacher Mochizuki signature, admitting to using corporal punishment on the student.

"If I am that right person for you then from now on, you can't say no to me."

From friends to lovers. How will this relationship go, when one is a good guy but the other one is a bad boy. Is it possible to turn a bad boy into a lover?

It follows the Qin State during the late stages of the Warring States era. Ying Zheng, Lu Bu Wei, Li Si, Wang Jian, and many formidable politicians work together to unite the six states under one rule. The Qin Empire becomes the first dynasty of Imperial China.

The Qin State has achieved strategic dominance among the six states due to aggressive measures put forth by King Zhao Xiang. After the consecutive deaths of King Zhao Xiang and his successor King Xiao Wen, the royal court was thrown into disputes over legitimacy. Lu Bu Wei, a powerful and influential merchant attempts to seize power by helping Ying Yi Ren, a prince in exile, to the throne. The eldest prince leaves the capital bringing the political unrest to a close.

Qin strikes down the other states with the ambition to rule all the lands. However, the battle between Qin and Zhao proves to be difficult and deadly. After Ying Zheng, a prince of Qin, and his mother Zhao Ji make their way home, Ying Zheng begins to exhibit the qualities of a ruler under the guidance of Lu Bu Wei. In order to seat her son on the throne, Zhao Ji and Lu Bu Wei join hands against Huayang Furen. Ying Zheng starts on a bloody path to becoming an emperor as he uses the people around him to secure power.

Day and Min fell in love despite their social difference. Soon, they were engaged to be married. However, their happy union was shattered when he discovered that her philanthropic father was the driver who killed his mother in a hit and run years ago and the cause of his father's suicide on their wedding day. The devastated Day chose to disappear rather than exposing the crime committed by Min's father. When he resurfaced years later Min had to choose either moving on with her life as he did with his or fighting for his forgiveness and saving their love.

Massaya's father, who is the adoptive son of the Rattanamahasarn family, is kicked out, along with his wife and child, of the Rattanamahasarn family for marrying her mother, who's believed to be a "low class" Malay woman. Both parents have passed away early she was brought up by her maternal grandfather.

Years later. Massaya grows up as a free-spirited, boyish and a little crude woman. Head of Rattanamahasarn family, Massaya's grandmother, the adoptive mother of Massaya's father, feeling sad and guilty about the past, orders her grandson Lak to bring back Massaya.

Massaya after coming back to Rattanamahasarn family feels like an outcast with overbearing rules, etiquette and a family who looks down on her. She can only feel comfortable with Lak; while she constantly faces bullying from her cousins and their mother.