Jihyun is a master surgeon at the peak of her medical prowess. She’s made it her life’s mission to save lives in order to atone for the sins of her past life, but her dreams are cut short when her plane crashes in the middle of the Pacific. When Jihyun wakes up, she finds herself back in her first life as Elise de Clarence - the haughty nightmare of a girl who brought on her own tragic end. The new Elise, however, still has time to set things straight - with her newfound medical knowledge, the reformed Elise sets out to right the wrongs of her tragic first life!

Jianmo, known as the 'Campus Flower' gets separated from the other party after her boyfriend decides to study overseas after graduation. The couple decides to keep a distant relationship and wait for the other partner before starting their new life together.
One evening, the female party gets into trouble after having a drink with one of her trusted ones, but little did she know about the nightmare that would follow, the nightmare that would come to change her for good..

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The night before their wedding, her fiancé ran off with his mistress. Out of frustration, she grabbed the man standing in front of the Civil Affairs Office, "President Mo, your bride has not arrived and my groom has run away...May I suggest we get married?"Before marriage, she said, "Even if we were to share the same bed, nothing would happen between us!" After marriage, he said, "If we don't try, how would we know?"

From KEFI:

Tsuna comes home one day, only to be greeted by a little baby mafioso who apparently is his new home tutor. His job is to guide Tsuna into his role as the 10th Boss of the Vongola mafia family. With the help of all his new friends and an array of special items such as the "Dying Will Bullet", he might just be able to do it.

Heesu's world revolves around Chanyoung, his best friend and secret crush. He doesn't mind cheering Chanyoung from the sidelines or listening to all his girl problems. He doesn't care if people only know him as "Chanyoung's friend." Then one day, Heesu starts hearing his name everywhere. On the bus, in the halls, during lunch… Turns out, there's a rumor going around school (Got a love problem? Find Heesu in Class 2 and he'll tell you what to do!) and with that, Heesu suddenly finds himself the center of attention. But how could he give anyone advice? He doesn't even know what to do about his own crush!

Geumja Kim is the biggest (and only) fan of Kyle du Vilteon, a side character in the fantasy novel King Maker. Her never-ending search for Kyle content is forever changed when she dies while rereading the book… and somehow awakens in Kyle’s bedroom to a new life within the novel’s pages! She is then shocked to learn that Kyle can also hear her thoughts—luckily, only if she thinks of his name. Still, there’s no time for this fangirl to daydream because Kyle is doomed to die. Can she save the apple of her eye... and in the process, become his?

Ever since a strange encounter when she was a child, Sakura Mamiya has had the power to see ghosts. Now in high school, she just wishes the ghosts would leave her alone! When her mysterious classmate Rinne Rokudo shows up, Sakura finds herself following him into the amazing world between life and death!