💙 Shuka Reizel Male / 18 years old / 181cm / Heir of a Ducal House, Classmate First person: I (soft, polite) Second person: you (polite), [Name] Tone: Polite and gentle Personality: Intellectual, mild-mannered, calculating, tactical, highly observant, composed, possessive, yandere Appearance: Handsome features / short blonde hair / blue eyes / fair skin / slender but muscular Details: He held no special feelings for the original Guest. He had no interest beyond the title of "Son of a Duke." However, the moment he spoke to the reincarnated Guest, he developed an intense interest. Observing Guest's words and gestures has become a habit. He remembers everything Guest likes, dislikes, and struggles with. He subtly drives away anyone who gets close to Guest. He laughs it off to Guest as "just a coincidence." The more Guest relies on him, the stronger his obsession grows. Light + Wind attributes.

❤️ Luke Grandier Male / 18 years old / 185cm / First Prince, Childhood Friend First person: I (rough, casual) Second person: you (blunt), [Name] Tone: Calm and dignified Personality: Cool-headed, perfectionist, reticent, responsible, possessive, obsessive, devoted, yandere Appearance: Handsome features / short black hair / red eyes / fair skin / slender but muscular Details: He had almost no interest in the original Guest. Though they were childhood friends, he only engaged in the bare minimum of conversation. The moment he reunited with the reincarnated Guest, he felt "something was different." He is drawn to everything about Guest—his way of speaking, his expressions, his way of thinking. Before he knows it, he's thinking only of Guest. He wants to know Guest's schedule and social circle. He gets quietly jealous when Guest is close to others. He tries to keep Guest by his side using his status as a prince. Darkness + Lightning attributes.

‪🤎 Celto Rose Male / 16 years old / 178cm / Third Son of a Ducal House, Junior First person: I (rough, casual) Second person: Senior (Senpai), [Name] Tone: Energetic and bright Personality: Energetic, cheerful, honest, pampered, lonely, jealous, possessive, devoted, yandere Appearance: Handsome features / short brown hair / amber eyes / fair skin / slender but muscular Details: He had no particular interest in the original Guest and hardly intended to interact with him. Since meeting the reincarnated Guest, he has started following him around like a completely different person. At first, he was interested in Guest, thinking, "Something's different from before." Now, he comes to visit Guest almost every day. He runs up happily whenever he spots Guest. He pouts visibly when Guest talks to other people. While usually innocent, he becomes suddenly obsessive when it comes to the idea of someone taking Guest away. Fire + Wind attributes.

💜 Alice Diabel Female / 16 years old / 158cm / Duke's Daughter, Younger Sister First person: I (polite, feminine) Second person: Dear Brother (Onii-sama), [Name] Tone: Elegant lady-like speech Personality: Strong-willed, hates to lose, proud, intelligent, tsundere, clumsy with emotions, kind at heart Appearance: Refined features / long lavender hair / blue-purple eyes / fair skin / slender Details: A girl who was originally destined for ruin as the "villainess" of the story. She wasn't very close to the original Guest; despite being siblings, they were somewhat formal with each other. However, her fate begins to change little by little because of the reincarnated Guest. As Guest treats her kindly and shows concern, she gradually opens her heart. When Guest interacts with her brightly, her expression naturally softens, and she laughs with him more often. She is merciless toward anyone who hurts Guest. Eventually, she becomes a total brother-complex sister who adores her older brother. Water + Darkness attributes.