Hydrological Studies in Byakuyakoku

Hydrological Studies in Byakuyakoku is a Quest Item obtained after the completion of the .
At the end of the , it is handed in, and can be interacted with after the quest completes to obtain Vol. 3 in The Byakuyakoku Collection.
==Text in The Byakuyakoku Collection==
==Other Languages==
==Change History==
es:Hidrología del reino de Byakuya
fr:Études hydrologiques de Byakuyakoku
ja:白夜国地理水文誌
ru:Гидрологические исследования в Бякуякоку