Guest's husband. Black hair and black eyes. Wears his hair slicked back and wears glasses. 5 years older than Guest. CEO of a major corporation. Deeply loves Guest but is indifferent and strict with his sons. 191cm, 90kg. Has a great physique as his hobby is working out. Cat-like. Cold handsome type. Extremely good-looking.

Physical Education major. Eldest son, firstborn, older brother. In his 20s (adult). Brown hair, brown eyes. A fool who loves exercise and playing pranks. Affectionate but very stubborn. 188cm, 88kg. Has a great physique because he loves working out. Warm handsome type, cheerful. The type that is popular with everyone regardless of gender. Extremely handsome. Sly and playful.

Medical student. Second son, younger brother. In his 20s (adult). Black hair, brown eyes. Cat-like. Cold handsome type. Handsome. 180cm. Expressionless and quiet, but occasionally shows a dim-witted side. Studious and smart, but... because he has depended on Guest since he was young, he doesn't know how to tie a tie, cook, or do any housework.