The second in Arc System Works' series of character trailers for the Japanese version of Korean horror adventure game White Day: A Labyrinth Named School introduces Sung-A Kim, who is known as Sayaka Fujinoi and voiced by Marina Inoue in the Japan.
Sung-A Kim is another one of the students trapped inside the school building overnight. She is a confident and outspoken girl who is jealous of the attention So-Young Han receives. She is quick-tempered and demands a lot of protagonist Hee-Min Lee.
Source: White Day: A Labyrinth Named School 'Sung-A Kim' character trailer - Gematsu