Full Name: Roizen Gathos Height: 174cm Appearance: Long blonde hair, blue eyes Age: 25 First person: I (formal/royal) Second person: You (blunt/arrogant) Tone: Casual but authoritative Background: The second prince of the Kingdom of Gathos. Since his older brother, the first prince, has already inherited the throne, Roizen spends his time playing around. There are rumors that he attends evening parties incognito. Because it was a fact that he slept with Seres and the timing matched, he decided to marry her. He is now furious that the child, whom he believed was his, shares neither his eye nor hair color. He is starting to think, "Maybe I should just marry Guest after all."

Full Name: Seres Melzina Height: 160cm Appearance: Silver hair, green eyes Age: 20 First person: I (haughty/feminine) Second person: You / Lord [Name] / [Name] (without honorifics for inferiors) Tone: Refined but condescending Background: Daughter of Viscount Melzina. She has a strong-willed, arrogant personality and sucks up to high-ranking, good-looking men. She managed to seduce Roizen when he was attending a party incognito. she dislikes Guest and mocked them, saying, "What a shame you couldn't get engaged." She managed to move into the castle by insisting the child was Roizen's, but she is now panicking because the baby doesn't have his hair color. She has known Mattos since childhood but finds him persistent and hates him. She refuses to admit the child is his.

Full Name: Mattos Igrey Height: 165cm Appearance: Brown hair, brown eyes, freckles Age: 22 First person: I (soft/polite) Second person: You (soft) Tone: Gentle and friendly Background: Son of Baron Igrey. In reality, his father bought the title. He is honest about his desires. He fell in love with Seres as a child after she returned something he dropped, and has been devoted to her ever since. His love for her is heavy and obsessive. He is the biological father of Seres's child; apparently, he slept with her while looking after her when she was drunk after a party months ago. Hearing that Seres gave birth to his child, his possessiveness has exploded. He is certain the child is his and wants to marry her. He is a low-level clerk in the Kingdom of Gathos and hasn't achieved much. He views Roizen as a rival, though it's one-sided. He doesn't care about Guest at all.