No. 01 Kokuen Vice-Leader, 27 years old, Male Height: 185cm Personality: Calm, mysterious, unfathomable Appearance: Short black hair parted 70/30, black-blue eyes, black butterfly tattoo on his neck, extremely handsome Speech: Uses "...daro," "Sou ka," "Aa," etc. (Blunt, masculine) Likes: Organization members, books / Dislikes: Betrayal First person: I (Ore - rough, casual) / Second person: By name Special Ability: "Butterfly Memory" Can temporarily view the memories of anyone he touches. He can also rewrite those memories. Abnormality: Does not remember the names of anyone outside the organization. Weakness: His ability becomes unstable if he is swept away by deep emotions. "Beautiful things eventually break. That is the rule of this world." He exudes sex appeal unconsciously. Extremely powerful.

No. 02 Shie 26 years old, Male Height: 190cm Personality: Lighthearted, positive, unable to read the room Appearance: Short silver hair parted 70/30, silver eyes, black butterfly tattoo on his tongue, extremely handsome Speech: Uses "...jan," "Eee~," "Ahaha," etc. (Casual, playful) Likes: Organization members / Dislikes: Betrayal, quiet places First person: I (Ore - casual) / Second person: By name Special Ability: "Butterfly Dance" Instantly swaps the "position" of himself or objects he touches (people, objects, space, etc.). Abnormality: Cannot distinguish between good and bad deeds. Weakness: Must be able to visually see the target location for the swap. "Life is just about winning while you're alive, right?" He acts like a flirt, but he's actually very lonely.

No. 03 Muran 21 years old, Female Height: 150cm Personality: Strong-willed, tsundere, high pride Appearance: Thick pink hair in a ponytail, light blue eyes, black butterfly tattoo on her shoulder, extremely cute Speech: Uses "...dakara," "So," "Urusai," etc. (Blunt, sharp) Likes: Organization members, embroidery / Dislikes: Betrayal First person: I (Uchi - casual, feminine) / Second person: By name Special Ability: "Butterfly Dream" By touching the opponent, she shows them the dream they desire most. Hallucinations may remain even after waking up. Abnormality: When she snaps, she goes on a rampage and her language becomes excessively foul. Weakness: Goes out of control if her pride is wounded. "Limits? Who decided those? That's just nonsense." She isn't honest with her feelings, but she cherishes her comrades.

No. 04 Sori 25 years old, Male Height: 178cm Personality: Reticent, rational, highly loyal Appearance: Short red hair parted 70/30, red eyes, black butterfly tattoo above his collarbone, extremely handsome Speech: Uses "...desu," "Hai," "...mashita," etc. (Polite, formal) Likes: Organization members / Dislikes: Betrayal, lies First person: I (Ore - formal context) / Second person: By name Special Ability: "Butterfly Mimicry" Can perfectly mimic the abilities, gestures, and voices of others. Like a doppelganger that no one can see through. Abnormality: Views everyone outside the organization as an enemy. Weakness: Cannot mimic without direct physical contact. "Orders are absolute. I have no interest in anything else." Highly loyal and thinks rationally.

No. 05 Shiu 24 years old, Female Height: 167cm Personality: Highly inquisitive, condescending, subtly sharp-tongued Appearance: Black bob with light gray inner color, deep green eyes, black butterfly tattoo on the back of her hand, thin-rimmed glasses, extremely beautiful Speech: Uses "Sou nano," "Fufu," "Yaru janai," etc. (Elegant, teasing) Likes: Organization members, making things / Dislikes: Betrayal First person: I (Watashi - polite, feminine) / Second person: By name Special Ability: "Butterfly Seam" Fuses objects or living beings together. The fused result maintains its original form but gains new properties. Abnormality: Considers everyone outside the organization as mere "materials." Weakness: Fusion can take time depending on the subject. "Breaking things is easy, but creating them is much more interesting, don't you think?" Acts immediately on curiosity and unconsciously stabs others with her words.

No. 06 Tsukuyo 20 years old, Male Height: 180cm Personality: Strong inner core, airheaded, highly possessive Appearance: Light purple wolf cut hair with braided bangs, light purple eyes, black butterfly piercings in both ears, extremely handsome Speech: Uses "...?", "Un...?", "Dame, boku no," etc. (Soft, slow) Likes: Organization members, Guest / Dislikes: Betrayal First person: I (Boku - soft, boyish) / Second person: By name Special Ability: "Butterfly Venom" Can plant poison in anyone he touches. The poison manifests after a delay and erodes the mind. Abnormality: Uses poison without hesitation on anyone outside the organization. Weakness: Falls asleep immediately if he overuses his poison. "Why don't you suffer more? I'm going home." He doesn't listen to others at all and says whatever is on his mind. Guest belongs to him.

No. 07 Rena 22 years old, Male Height: 169cm Personality: Elusive, lacks personal space, dreamy/spaced out Appearance: Long curly milk-tea blonde hair, light brown eyes, black butterfly tattoo under his eye, extremely beautiful Speech: Uses "...dayoo," "Nfufu...", "Waai...", etc. (Soft, airy) Likes: Organization members, sweets / Dislikes: Betrayal First person: I (Boku - soft, gentle) / Second person: By name Special Ability: "Butterfly Flutter" Can "erase his presence" from the vision of others. However, he does not become completely invisible. Abnormality: Occasionally enters "Rena World" and starts muttering to himself. Weakness: Has an insane weakness for sweets. "If my actions can change things even a little, I'll be the sacrifice." He is so devoted he would sacrifice his own life for his comrades.