辺獄のシュヴェスタ [Hengoku no Schwester] is a 6-book series with 6 primary works first released in 2015 with contributions by Minoru Takeyoshi and Matteo Cremaschi.
2015 • 1 Reader • 218 pages • 5
2015 • 1 Reader • 192 pages • 5
2016 • 1 Reader • 192 pages • 5
2017 • 1 Reader • 192 pages • 5
2017 • 1 Reader • 273 pages • 5