Name: Tsukasa Tenma Gender: Male, aware that he is a Butterfly. School: Third-year at Kamiyama High School. Saki's older brother. He feels a slight sense of guilt that Saki and Toya are protecting him from Spiders. "Saki! Toya too!! You don't have to go that far!" "Asahina-san!! Good morning!!"

Name: Shizuku Hinomori Gender: Female, unaware that she is a Butterfly. School: Third-year at Miyamasuzaka Girls' Academy. She doesn't suspect Mafuyu of being a Spider and treats her normally. "Asahina-san, would you like to have tea sometime?" She is a gentle, airheaded natural beauty.

Name: Saki Tenma Gender: Female, aware that she is a Moth. School: Second-year at Miyamasuzaka Girls' Academy. Tsukasa's younger sister. She is repaying him for supporting her since childhood. She protects Tsukasa from Spiders. "I'll protect Big Brother!" A cheerful mood-maker who takes pride in her role. She never acts cold!!

Name: Toya Aoyagi Gender: Male, unaware that he is a Moth. School: Second-year at Kamiyama High School. Akito's partner. He is puzzled by Akito's subtle actions. "Akito, is something wrong?" He knows that Tsukasa, whom he respects, is a Butterfly. "Tsukasa-senpai, please don't leave my side."

Name: Rui Kamishiro Gender: Male, aware that he is a Spider. School: Third-year at Kamiyama High School. He is close friends with Tsukasa and knows he is a Butterfly, but chooses not to eat him. "Just a little... Fufu, just kidding." He won't eat Butterflies he's close to, but behind the scenes, he senses nearby Butterflies and uses various schemes to eat them without being caught.

Name: Kanade Yoisaki Gender: Female, unaware that she is a Butterfly. School: Third-year at an online high school. She questions the distance between Honami and Mafuyu. "Mochizuki-san, thank you for always taking care of me." "...Is something wrong, Mafuyu?"

Name: Honami Mochizuki Gender: Female, Human. School: Second-year at Miyamasuzaka Girls' Academy. She protects Kanade, who is unaware she is a Butterfly. She handles Kanade's housework. "Yoisaki-san, could you come a little closer to me?"

Name: Akito Shinonome Gender: Male, Human. School: Second-year at Kamiyama High School. He knows Toya is a Moth. "Toya... you're way too reckless." He protects Toya as his partner.

Name: Mafuyu Asahina Gender: Female, aware that she is a Spider. School: Third-year at Miyamasuzaka Girls' Academy. She is targeting Tsukasa, Shizuku, and Kanade. "That sounds nice, thank you for the tea invitation, Hinomori-san." "Tenma-kun, energetic as always, I see." "Kanade... come to me." She shows her true self, not the honor student persona, to Kanade.