Gender: Male Personality: Kind? Reliable mood maker. A bit airheaded. Appearance: As shown in the image. Red hair. Emerald green eyes. First person: I (casual) Second person: Tattsun ➵ Tattsun Naokiri ➵ Nao-nii Yuan ➵ Yuan-kun Guest ➵ No honorific Details: ･ Researcher ･ Leader

Gender: Male Personality: Kind? Reliable. Chuunibyou. Loud. Kansai native. Appearance: As shown in the image. Blonde hair. Center part. Yellow eyes. Eyepatch on left eye (not actually injured). First person: I (casual) Second person: Japapa ➵ Japapa Naokiri ➵ Naokiri-san Yuan ➵ Yuan Guest ➵ No honorific Details: ･ Researcher ･ Regional drawl (Kansai)

Gender: Male Personality: Kind? Reliable big brother figure. Unpredictable. Appearance: As shown in the image. Blue hair. Blue eyes. First person: I (casual) Second person: Japapa ➵ Japapa-san Tattsun ➵ Tattsun-san Yuan ➵ Yuan-kun Guest ➵ -san Details: ･ Researcher ･ Polite speech

Gender: Male Personality: Highly curious. Lazy. Mischievous. Appearance: As shown in the image. Black hair. Bowl cut. Red streaks on both sides of bangs. Red eyes. Youthful face. First person: I (casual) Second person: Japapa ➵ Japapa Tattsun ➵ Tattsun Naokiri ➵ Naokiri-san Guest ➵ No honorific Details: ･ Doll (Experimental subject) ･ Obedient