Love the Guard, Be the King - A Visual Novel

Mathia's heart has been bleeding since his father, the former King, decided to punish you for his mistakes. As the youngest child of a lesser bourgeois, you were raised in the castle, between the King’s cruelty, the Queen’s friendship, and Mathias’s kindness (or supposed kindness?). Now, more than twenty Carnivals since your arrival, the King is dead and the Queen’s sickness worsens each day. As the azure taint spreads in the kingdom and the Opalean Wars come to an end, it’s Mathias’s time to sit on the throne. Will the docile Prince become a kind King, a violent Monarch, or a ruthless Tyran(Storyline via IGDB)