A creative group consisting of five children’s book authors (Kang Min-gyeong, Kim Nan-ju, Kim Eun-jae, An Sun-hye, and Hwang Bok-sil), Byeoritjul, which means both a “net-guiding rope” and the “plot” of a story, donates 20% of its proceeds to charitable organizations working for needy children. It has authored the children’s book The Black Egg and the scenario for the animation Fantaru.