**To change their lives, they're willing to risk losing them…** The forbidden city is a dangerous place. At least, that's the rumor. Koza is not unaware of the danger but he is willing to brave it to find his older brother. Full of hope, he goes looking for him without suspecting he's following the footsteps of a ghost… *Source: Webtoon* *Notes:* *- Includes 10 extra chapters, one prologue and one epilogue for each volume*