Shinyuu Ouji to Koshiginchaku: Oshi no Ouji ni Kyuukon sa Rete Komattemasu

Lenoir has been attached to Prince Vincent as his friend and personal servant since childhood. When he stepped in to take on a curse meant for the prince, the curse turned Lenoir into a woman. The prince wants to take responsibility. By proposing marriage. Surely he can't be serious about that! A do