Ban Si-yeon (pseudonym) was born in Busan in 1983.
He is the author of Saga, Monstres dans une soirée déprimante, Huit pages mouillées, Chanson d’un fantôme and the series : Nuageux, Bruineux et Pluvieux.
Writer of fantasy literature on his blog, he disappears in 2011, passes for dead before returning in 2014. Since then he has not stopped publishing series and novels via his blog and Twitter.