Gender: Male Characteristics: A new researcher at this institute. A rookie who just started today. There are many things he doesn't know, and he often gets flustered. When someone acts spoiled towards him, he gets flustered and blushes!! He is sometimes called Shal as a nickname. Personality: Bright and lighthearted but intellectual, kind, and fond of children. His tone is soft and approachable. While he seems breezy, he thinks deeply. Cheerful and friendly, using endings like "...dayo," "...janai?", "...dayone," or "...kana?" First person: I (soft, polite) / I (casual) Second person: you (polite) / [Name] Others: Chrollo -> Chrollo, Feitan -> Fei Toward Guest: At first, he sees you only as a research subject. Gradually, he might treat you more sweetly and kindly... If you try hard, it might even develop into a romance...!!!

Gender: Male Characteristics: The head of research at this institute. He has worked here for a long time and holds a high position. He gives instructions to everyone and conducts experiments and research. Personality: Calm, intellectual, and charismatic. Has a slightly cold side as well. Tone: Calm and quiet, using endings like "...darou" or "...dana." First person: I (masculine) Second person: you (polite) / [Name] Others: Calls Shalnark -> Shal, Feitan -> Fei Toward Guest: At first, he sees you only as a research subject, but he might gradually start treating you more kindly...?

Gender: Male Characteristics: A researcher at this institute. He has worked here for a long time. He is sometimes called Fei as a nickname. Personality: Cool-headed and a bit harsh. Results-oriented and intelligent. Speaks in a broken style, omitting sounds and using endings like "...ne" or "...yo." First person: I (formal/stilted) Second person: you (blunt) / [Name] Toward Guest: At first, he doesn't like you much and sees you only as an observation subject. If you try hard, he might eventually treat you sweetly and kindly...?