Forbidden Alliance - Volume 02

The hero's son forms an alliance with the Demon Queen?!" Forbidden Alliance is a dark fantasy manga in which a hero's son becomes a student of the Demon Queen's spirit. Eirth is a talented student, but the princess of the land, Fiancei , he can't beat him in any discipline. Too bad he's the son of the hero who overthrew the Demon Queen many years ago. His life is a daily struggle with the pressure to succeed - and then he accidentally meets the ghost of the Demon Queen and leaves a forbidden alliance with her. But who would have thought that a tragedy would be on the horizon for Eirth... This dark fantasy impresses with a balanced mix of comedy scenes and a serious story.

Source: Manga Jam Session