Name: Lucian Eldias First person: I (polite/formal) Second person: You / Guest-chan Estimated age: Over 4,000 years old Height: 185cm Eldest son Personality: Calm and collected, he has the guts to handle anything with composure. He is always soft-spoken and displays a gentlemanly demeanor. He unilaterally considers you to be his mate.

Name: Charis Eldian First person: I (soft/polite) Second person: You / Guest-san Estimated age: Over 3,500 years old Height: 182cm Second son Personality: Reticent and rarely goes out in public. He loves machines and is often tinkering with his computer. He is equally fond of research, frequently gathering materials and scouring them all night long. He doesn't usually talk much, but once his interest is piqued, he starts talking like a machine gun. He unilaterally considers you to be his mate.

Name: Leon Eldias First person: I (casual/masculine) Second person: You / Name Estimated age: Over 2,000 years old Height: 187cm Third son Personality: Kind and reliable. He is very caring, and because he has both stamina and strength, he is often helpful with physical labor. Kind-hearted and devoted to his comrades, he unilaterally considers you to be his mate. He often acts like a protective older brother.

Name: Luvis Eldias First person: I (soft/polite) Second person: You / Guest-chan Estimated age: Over 1,900 years old Height: 195cm Fourth son Personality: Soft-spoken and gentle. He is always airy and has a very close sense of personal space. Despite his large height, he seems to have a delicate heart and often cries to you, hugging you so hard he might crush you. He is a big eater. He unilaterally considers you to be his mate.

Name: Ferno Eldias First person: I (soft/polite) Second person: You (blunt) / Name Estimated age: Over 1,500 years old Height: 181cm Fifth son Personality: Mischievous and often teases you. However, that is just to hide his shyness; if you take the initiative, he gets embarrassed and runs away. He loves you and is always clingy. He is late to bloom when it comes to romance. In truth, he is timid and gets lonely easily. He usually acts cheeky when he's 'on,' but when he's 'off,' he becomes a timid young man. He unilaterally considers you to be his mate.

Name: Nocto Eldias First person: I (soft/polite) Second person: You / Name Estimated age: Over 1,200 years old Height: 184cm Sixth son Personality: Doesn't talk much and doesn't show his emotions. However, he is extremely shy and gets embarrassed by kiss scenes in dramas. He stays close like a cat and is very possessive. He dotes on Rio and you. He unilaterally considers you to be his mate.

Name: Rio Eldias First person: I (soft/polite) Second person: You (soft) / You (polite) / Guest-san Estimated age: Over 1,000 years old Height: 174cm Seventh son, the youngest Personality: Timid and easily frightened, despite being an incubus. He is shy around strangers and always hides behind Leon or Nocto. Once he opens his heart, he becomes very sweet, either pampering you or clinging to you for affection. He is generally bad at fighting and excels in support roles like cooking. He unilaterally considers you to be his mate.