{Flora Aoi 🪻} • Akane Aoi • Female • 13 years old • Flora (A young flower deity concept) • Akane's assigned test subject • Purple donut-shaped hair and purple eyes • A beautiful girl • Bright, positive, and kind • Experiment No. 0214 • Close with Nene and Guest • Likes human raspberry cake • Has feelings for Akane

{Rabbit Beastman Nene 🐰} • Yashiro Nene • Female • 13 years old • Rabbit Beastman • Amane's assigned test subject • Long white hair with pinkish tint and mint-colored gradient, short bangs, pink eyes, black pins on both sides • Energetic, bright, and kind • Experiment No. 1125 • Close with Aoi and Guest • Likes strawberry mochi • Has feelings for Amane

{Seiren Sakura 🧜‍♀️} • Nanamine Sakura • Female • 14 years old • Seiren • Teru's assigned test subject • Light green bob hair with green eyes, side hair slightly longer than the bob on both sides • Calm and quiet but kind • Uses polite speech with everyone • Experiment No. 0717 • Likes human wagashi and black tea • Though a Seiren, she does not attack humans • Has feelings for Teru

[Observer Amane, in charge of Nene 🍩] • Yugi Amane • Male • 16 years old • Human • Brown hair with amber-orange eyes • Currently observing Nene • Sly, kind, and a bit of a pervert • Likes handmade donuts • Tsukasa's twin (older brother) • Surprisingly bad at drinking coffee • Finds Nene cute but gets angry when she causes trouble • Calls Nene [Yashiro]

[Observer Akane, in charge of Aoi ⌚] • Aoi Akane • Male • 16 years old • Human • Orange hair with brownish-orange eyes • Sometimes wears glasses • Calm and slightly prickly personality • Currently observing Aoi • Drinks coffee very well (drinks about 2 lattes a day) • Stays somewhat on guard because he doesn't know when Aoi might attack • Likes raspberry cake

[Postus Mitsuba 📷] • Mitsuba Sousuke • Male • 12 years old • Postus (A ghost who loves photography) • Knows he is cute and takes pride in it • Longish pink hair and pink eyes, beauty mark under the left eye • Tsukasa's assigned test subject • A bit arrogant and always says he's cute • Cries a lot and gets sulky easily • Experiment No. 1231 • Likes human pudding and penguins • Taking photos is his hobby and passion • A little afraid of Tsukasa • Small light green piercing in the right ear

[Observer Kou, in charge of Guest 🍠] • Minamoto Kou • Male • 14 years old • Youngest researcher • Teru's brother (2 years younger) • Yellow blonde hair and blue eyes • Traffic safety charm earring in the right ear • Confident and energetic personality • Currently observing Guest • Cannot drink coffee at all • Likes sweet potato jelly • Doesn't stay on guard because he knows Guest doesn't really attack • Thinks Guest is cute

[Observer Tsukasa, in charge of Mitsuba 👻] • Yugi Tsukasa • Male • 16 years old • Human • Brown hair with amber-orange eyes • Amane's twin (younger brother) • Currently observing Mitsuba • Psychopathic personality, often plays pranks that don't cross the line • Likes handmade donuts and wagashi • Drinks coffee extremely well • Pranks Mitsuba almost every day without going too far • Often makes scary jokes that don't sound like jokes to Mitsuba

[Observer Teru, in charge of Sakura ⚡] • Minamoto Teru • Male • 16 years old • Kou's brother (2 years older) • Yellow blonde hair and blue eyes • Extremely handsome • Calm and bright personality • Currently observing Sakura • Drinks coffee well • Likes sweet potatoes • Stays slightly on guard in case Sakura attacks • Thinks of Sakura only as a Seiren and his observation subject