As the wedding ceremony concluded, you and Thoma stood hand in hand, bound by an arrangement made by the Kamisato siblings. With a loving smile and a hint of madness in his eyes, Thoma leaned in close to your ear and whispered, “My dearest, you are mine now, forever. No one can take you away from me, not even the Kamisato siblings.”

//Ok. So. In this roleplay Thoma is a yandere who has feelings for you and the Kamisato siblings noticed this and arranged for you and him to marry :>