Stockholm Syndrome

I am giving the same summary as written.
Yoon Bum, a scrawny quiet boy, has a crush on one of the most popular and handsome guys in school, Sangwoo. One day, with Yoonbum's obsession towards Sangwoo reaching its peak, Yoon Bum decides to enter Sangwoo's home. But what he saw inside was not the Sangwoo he had dreamed of.

In the only neutral country surrounded by many other countries, Kourozen, also known as God's country the princess, Matsurika, is troubled by a proposal from Prince Orland of Cantabria, a major power. One night, Matsurika is suddenly kidnapped by an intruder and brought to the open sea.The man, Raju, who calls himself a pirate, says he will sacrifice Matsurika on the legendary altar, to attain his wish---The princess of God's country, the pirate surrounded by mystery.

Kim Dohyun, 28, is stuck in an dead-end job and with almost no money to his name. When he suddenly gets kidnapped during the day, it's only the beginning of his confinement by a scar faced man, who seems to have some kind of perplexing motive for keeping him captive.

Shou, the son of a gang member, became the right hand man of Taiki, the gang leader's son. On the way back from his high school entrance celebration, Shou runs into his long-time crush, Kunie, Taiki's cousin. Shou goes to Kunie's home on his request, but once there, Kunie asks him to become his. Shou refuses because of his allegiance to Taiki, but Kunie drugs Shou's drink and takes advantage of him!

Jian xi, an ordinary girl who leads a simple life works as a common office worker. Not a single time has she imagined to have something to do with danger and richness. But that day a gang surrounded her searching her bag and found a bomb in there! What's more, the young master of that gang kidnapped her and said she was his fiancée! And she has to act as this rich and domineering man’s fiancée and comfort him...

One day while walking home from her job, Kurumi Akino finds a wounded young man, and saves his life. He mysteriously disappears after that, and leaves only the name "Hakuron". Next thing she knows she's been kidnapped from her school, and is on a private jet with that man, heading to China. It turns out she saved the life of the most infamous mobster in Hong Kong, and he wants her to stay with him.

Takahiro is the adopted son and secretary of an important Japanese politician. Already uneasy about his position in the eyes of his disapproving father, it doesn't help when Takahiro gets himself kidnapped by American gangsters. While his captors wait for the ransom demand to be met, Takahiro has to be under the watchful eyes of his assigned guard, Jack. As the days turn into weeks, something like friendship develops between them. But will it lead to more...?