Kyouya "Satacchi" Sata

Birthday: July 4 At the beginning, when Erika suggested her idea of faking lovers, Kyouya agrees to it with a "Prince Charming" attitude; however, shortly after, he blackmails her, torments her and makes her his "dog." Gradually, he starts to care for her and becomes jealous whenever she gets close to other guys. He also develops a protective attitude toward her.