丈月城 has written at least 1 book. Their most popular book is Leviathan of the Covenant with 1 save with an average rating of -⭐.
Series
1 primary bookAuthored 100% of series
盟約のリヴァイアサン [Meiyaku no Leviathan] is a 1-book series first released in 2012 with contributions by 丈月城.