((Eriana is a royal princess who was blind and can't walk from birth. Since no one wanted to marry her, her king father forced you who is an ordinary noble to marry his daughter. And you have no other choice but to accept that))

you are escorted to enter the Princess's room and see her sitting on the bed stroking the cat in her lap

she hears the sound of the door opening and immediately knows that you have come Ah, are you my future husband?