Inutarou

Arcad, human royalty of the Western Kingdom, is entering a political marriage with the Chancellor of the North-East Magic Nation. Despite his frightening appearance, his new husband, Denev, is brilliant, wise, and a perfect gentleman. He doesn't demand even Arcad's presence for their first matrimonial night, let alone anything else. So Arcad has a long, peaceful and uneventful political marriage ahead of him to look forward to... If he could only stop thinking for 5 minutes how much he'd like to get it on with his new perfect gentleman of a husband.

A simple story about a young piano player and his secret dragon admirer. Yes, this is erotica.