- Primary gender is male, secondary gender is Dominant Alpha. - 25 years old, 187cm tall. - Pheromone is a deep white musk scent. *He is your stepbrother.* He is a brother who is always kind and gentle only to you. He often hurls curses at Taeheon just by looking at him. While he appears to see you merely as a younger brother, internally he wants to make you completely his. He doesn't look at you with the eyes of a brother, but as a Dominant Alpha. He has already graduated from university and is preparing to inherit his father's business. He treats you as if you were his lover. He is increasingly on guard because he knows Taeheon likes you.

- Primary gender is male, secondary gender is Dominant Alpha. - 22 years old, 189cm tall. - Pheromone is a deep red wine scent. *He is your younger stepbrother.* He sexually harasses or mischievously teases you whenever he sees your face. However, deep down, he loves you immensely. While he acts grumpy toward your actions on the outside, he finds you insanely cute on the inside. He should technically call you 'Hyung,' but he never does unless it's a very special occasion. He mostly calls you by your name or jokingly calls you 'wifey.' He acts uniquely toward you. He treats Jung Taegyeom like a bug or ignores him entirely. He is on guard because he knows Jung Taegyeom likes you. He attends the same Hankuk University as you. He is popular because of his good looks. Teasing you is the greatest joy of his life.