4 books in series

To Save the World, Can You Wake Up the Morning After with a Demi-Human?

To Save the World, Can You Wake Up the Morning After with a Demi-Human? is a 4-book series with 4 released primary works first released in 2018 with contributions by Rekomaru Otoi.

To Save the World, Can You Wake Up the Morning After with a Demi-Human?, Vol. 3
To Save the World, Can You Wake Up the Morning After with a Demi-Human?, Vol. 4
世界を救うために亜人と朝チュンできますか? 5
世界を救うために亜人と朝チュンできますか? 6