May lead to The Masquerade Will Kill Your Dating Life if the pairing is ultimately incompatible or too unstable. For double points, they had this relationship in the sequel series as well but in reverse; Silverbolt's spark was in one of their foes and Blackarachnia was determined to convert him as he had converted her.
The one-sided version of this may be a Villainous Crush.
The song "당신이었군요" (It Was You) was a light ballad by Park Shin-hye and Lee Min-jung.
While Uhm Tae-woong and Choi Daniel's duet "청계산 가버렸네" (I went to Cheonggyesan Mountain) had a more fun, upbeat sound.
Byeong-hoon is not keen on taking the case, as it turns out that Hee-joong is an ex-girlfriend of him.
Unwillingly he agrees, and things initially go smoothly between Sang-yong and Hee-joong; but then Byeong-hoon's personal feelings start to get in the way of business.
Therefore you may find the same person's name spelled in different ways, for example "Jang Jin-young" vs. The letter "iung" is silent and is followed by a vowel; note that the name "Lee" is actually pronounced "ee" or "yi" in Korean.
(To learn more -- it's easier than you think -- visit this introduction to the Korean alphabet) Ahn Sung-ki (b.