格雷琴計畫

萊琹國陸續發生多起孩童失蹤事件，數年過去了，遲遲沒有成功破案，而負責相關案件的前輩，在前往逃出的倖存者所說的老村落--馬羅拉調查後，竟不知所蹤......
為了尋找失蹤的前輩，杜根踏上查明真相的旅程

Project Gretchen

Laiqin Nation has been experiencing a series of child disappearances. Several years have passed, yet there have been no successful resolutions to these cases. Moreover, the senior investigators assigned to these incidents have mysteriously disappeared after investigating the abandoned village of Marola, as described by one of the survivors who managed to escape.
In order to find the missing seniors, Dugan embarks on a journey to uncover the truth.