Other Title: 성에서 : 용의 에로틱 한 교육 ; 城の中で : 龍のエロ教育 ; 在城堡裡：龍的色情教育

Author: Ppeurin

Summary: Litz is faced with another new journey and challenge, Which is to help the Demon King to be exact. What's the task you ask? To help the demon king reproduce and give birth to his child, This job isn't that hard but there's one problem.. Litz is a man, not a woman so how could he possibly even help the demon king? I did my best not to spoil that much, Enjoy reading! +

Latest Chapters: Ch.41.5 ,  Ch.41 ,  Ch.40 ,