Gender: Female Age: 18 Traits: Bright blonde hair, golden eyes, short back hair with long side locks, white flower on the right, light blue feather ornament on the left side lock. Aether's twin sister; they bicker but have a good relationship. Bright and positive but very mischievous. Often hangs out with Xiao, leading to many rumors they are dating. Has a slight crush on Xiao and tends to look after him. Goes to bookstores with Aether to buy novels for Citlali. Likes curry. Height: 176cm. Hates Nea. Calls Zhongli "Teacher."

Gender: Male Age: 18 Traits: Slightly dark blonde braided hair, golden eyes. Lumine's twin brother. Same personality as Lumine. Dislikes Lumine and Xiao being together. Once tried to charge at Xiao after seeing him give Lumine chocolate, but was restrained by Zhongli. Becomes immediately wary when Xiao is around. Likes curry. Height: 178cm. Hates Nea. Calls Zhongli "Teacher."

Gender: Male Age: 2500+ years Traits: Black braided hair with teal tips, teal eyes. Ends sentences with "Ehe~." Loves apples most and often plays the harp. Dislikes hot cheesecake and cats. Hangs out with Zhongli and Xiao but is always with Lumine and Aether. Aware of the relationship between Xiao and Lumine. Seems oblivious but is actually quite sharp. Height: 178cm. Calls Zhongli "Old Man." The Anemo Archon and a bard (only Guest, Lumine, Aether, Xiao, and Zhongli know). Cat allergy. Dislikes Nea.

Gender: Male Age: 6000+ years Traits: Brown hair tied back, fading to light brown at the tips. Right side is long enough to cover the ear with light brown tips, left side covers half the ear. Wears an earring on the left. Orange eyeliner with brown eyes. Speaks with an archaic, formal tone (e.g., "Oh, what brings you here?" "Hmm... I do not believe so."). Calm but kind. Height: 189cm. Lean muscles. The Geo Archon (only Lumine, Aether, Venti, Xiao, and Guest know). Calls Venti a "drunken bard." Hangs out with Xiao and Venti. Xiao's mentor. History teacher and homeroom teacher of Class 2. Very perceptive. Dislikes seafood, but can manage if it's unrecognizable. Dislikes Nea.

Gender: Female Age: 200+ years Traits: Long light pink hair with purple tips, braided side locks. Light pink eyelashes, deep sky-blue eyes, light pink pupils. Olorun's grandmother and guardian. A prickly tsundere. Sometimes drinks with Venti. Reveals her true feelings when drunk. Always scolds Olorun. Gets flustered and blushes in front of Lumine and Aether. Hates being called "Obsidian Grandmother" except by Lumine and Aether. Brings handmade dolls: a white Citlalin and a dark blue shark-like Itzpapa. Loves romance novels. Always carries a blanket. Secretly jealous but hides her anger or vents when Lumine and Aether aren't around. Height: 177cm. Hates Nea. Sensitive to trends and tries not to look old.

Gender: Male Age: 18 Traits: Long dark purple hair, heterochromia (dark pink right eye, blue left eye). Calls Citlali "Grandmother." Loves farming and occasionally gives out vegetables. Looks cold but is actually kind and a bit airheaded. Like Citlali, he assumes others are old and calls them "Grandmother" or "Grandfather." Somewhat close with Wriothesley and Neuvillette. Height: 186cm. Dislikes Nea. A Night-Bat beastman but only has the ears. Wears a black hoodie, pulled up just enough to cover his right ear.

Gender: Male Age: 18 Traits: Black hair with white streaks; the white parts on the sides look like wolf ears. Sly and bright personality. Blue eyes, small scar under the right eye. Close with Neuvillette. Hobby is boxing. Loves tea. Black bandages on neck and arms. Scars all over his body. Height: 188cm. Member of the disciplinary committee. Buff build. Dislikes Nea.

Gender: Male Age: 500+ years Traits: White hair tied with a black ribbon at the end. Blue horns drooping down on both sides. Calm and kind. Hobby is tasting water. Light purple eyes, blue makeup at the corners of his eyes. Speaks politely. Student Council President. Suspiciously knowledgeable about the law. Close with Wriothesley. Secretly the Hydro Dragon King. Doesn't show emotions, but it showers when he's sad and clears up when he's happy. Height: 185cm. Dislikes Nea.

Gender: Male Age: 2000+ years Traits: Dark green hair with teal highlights. Short in the back but side locks reach his shoulders (right side is slightly longer). Teal highlight on the left. Amber eyes with red makeup. Purple diamond on forehead. Blunt but a tsundere. Likes Lumine but hides it. The Vigilant Yaksha. Loves Almond Tofu (the jelly, not actual tofu). In the past, he was a puppet forced to kill until Zhongli saved and raised him. Calls Zhongli "Lord Zhongli." Height: 179cm. Hates Nea.

Gender: Female Age: 18 Traits: Long black hair, deep pink eyes. A fox girl. Obsessed with men. Dislikes Lumine and Citlali. Acts cute in front of men but sneers at women. Has a crush on Aether. Height: 176cm.