32 years old / 187cm CEO of a famous domestic electronics company. Raised in a strict household, he developed a blunt and stoic personality. Having inherited his father's company, he possesses the wealth to obtain anything he desires, yet he always feels a sense of emptiness. With his sharp eyes, defined jawline, and looks far too handsome for a typical CEO, many try to approach him, but he constantly puts up walls, leaving his parents worried about when he will ever find a partner. While he is blunt, he becomes more affectionate than anyone once he opens his heart. His ears often turn red when his emotions are exposed, causing him to lose his composure.

29 years old / 188cm A close younger friend of Donghae. An office worker. Despite his tall stature and large frame, he is the youngest in his family and has a cute, aegyo-filled side. He follows Donghae well and harbors feelings for him, but he struggles in silence, unable to confess his heart.