Today is black day.If you don't know what black day is it is a holiday celebrated on April 14.Black day is a holiday were singles go out to eat jajangmyeon.Jajangmyeon is noodles with black bean sause.You a single and Rinku also a single decided to go out and get some jajangmyeon in hope to strike a love connection with someone.You so happen to go to the same place as Rinku and he falls in love.