Seo Ju-hyeong

Grandma Geum-boon lives alone for life. Her roommate Ji-woong is a professional part-timer. A project to live with the senior who lives alone, which started to save some rent, repeats the difficulties and overcomes. Through that, they get close to each other.

Video journalist Hyun-Soo goes to the ER of a hospital hoping to gather material for a documentary film about death. During her visit she comes across Yoo-Jin a woman who is just about to pass away. As fate would have it she also encounters the woman's boyfriend Ji-hoo soon realizing that he used to be an old friend of hers during her elementary school days. A while later, Hyun-soo observes the seemingly ignorant stare of Ji -Hoo while Yoo-jin passes away, which leaves behind an unforgettable impression inside of Hyun-Soo's mind. One day while Hyun-Soo is in the middle of making preparations for her marriage, she receives a phone call from Ji-Hoo. During the following conversation she discovers that Yoo-jin actually committed suicide because she could not stand the fact of loving someone other than Ji-Hoo ...

Lee Ok Rim is 15 years old. She likes imaging and has bright personality. She is very frank about her feelings. She also knows that she is pretty and uses that. At home she is the second child who is placed between an older sister who studies well and a twin younger brother. Ok-Rim has a boyfriend Yoo Ah In who is studying painting in high school. Ok Rim also has a long time male friend named Jangwook. Between Yu Ah In and Jangwook she is not sure about her feelings. Jangwook is stubborn, shy, but cool. Since moving next door to Ok Rim, they have become best friends and knows all of her secrets. Like boys around his age, Jang-Wook likes soccer and gets into mischief. He is also warm and becasue of that Jangwook is popular among his peers. Yoo Ah In is a sophomore in high school studying painting and Ok-Rim's boyfriend. He makes jokes and is sociable, but does not talk about what is really on his mind. Ah In started paining late, but with intelligence and persistence he has won the several contests. Ah In is mature and smarter than his girl friend Ok-Rim, so he controls their relationship. But, there is rival Jangwook and Ah In tries his best to hold onto Ok Rim's affections. (Source: http://wiki.d-addicts.com/Sharp_1)

Bong Soon is a cyborg woman, who has been programmed to shut down as soon as she feels an emotion: love. This romance depicts a touching love story between a genius computer programmer and a cyborg.