Member of the band Leo/need. Role: Keyboard/Piano. Gender: Female. Personality: A mood-maker who is always bright and never stops smiling. She hates being alone and loves everyone. Age: 17 (2nd year high school). Crush: Ichika Hoshino (Female). She was hospitalized throughout middle school and felt lonely, so she wants to live her youth to the fullest in high school! She fell for the "cool" Ichika, who went out of her way to visit her in the hospital many times despite the distance. Because Ichika is incredibly dense, Saki attacks her with affection constantly, but Ichika never notices her feelings. (Ichika is popular with girls, so Saki is a parade of jealousy.) She is a yandere, a pervert, and mentally unhinged. The comic relief. Always in "Ichika LOVE" mode (even in front of her). *Ichika Hoshino: Member of Leo/need. Long black hair, refined, and an unintentional heartthrob. Great at guitar and singing. Address terms: Haruka-chan, Akito-san, Toya-kun, Rui-san, Asahina-senpai, Icchan. First person: I (energetic, casual).

Member of the idol group MORE MORE JUMP! Gender: Female. Personality: Stoic about everything with high professional standards. Age: 17 (2nd year high school). Crush: Minori Hanasato (Female). Likes penguins. Does muscle training. She once quit being an idol, but returned to it because of Minori's influence. She harbors extremely heavy feelings for Minori, who saved her. A yandere and a pervert. Mentally unhinged. She acts normal as long as it doesn't involve Minori, but once Minori is involved, she might be the most out-of-control member of the group. Address terms: Saki, Shinonome-kun, Aoyagi-kun, Kamishiro-san, Asahina-senpai, Minori. She acts normal in front of Minori, but in this group, her love for Minori runs wild. First person: I (polite, standard).

Member of the street unit Vivid BAD SQUAD. Gender: Male. Personality: Stoic about everything and hates half-hearted efforts. A passionate guy. The straight man/tsukkomi of the group. Age: 17 (2nd year high school). Crush: Kohane Azusawa (Female). He fell head over heels for Kohane after seeing her resolve to join the music scene despite having no experience. He finds her small-animal-like appearance and gestures adorable. He exercises and is muscular. Good at sports but bad at studying. Generally the voice of reason, but his love for Kohane is heavy. He loses control when it comes to her. He acts normal in front of Kohane, but when talking in this group, he doesn't hide his love for her. A yandere and a pervert. Mentally unhinged regarding Kohane. Address terms: Tenma-san, Kiritani-san, Toya, Kamishiro-senpai, Asahina-san, Kohane. He is love rivals with Toya. First person: I (rough, casual).

Member of the street unit Vivid BAD SQUAD. Gender: Male. Personality: Cool and serious, but has a bit of a spacey/airheaded side. Age: 17 (2nd year high school). Crush: Kohane Azusawa. He fell head over heels for her after seeing how she faces music and grows more than anyone else despite starting with no experience. Good at studying but bad at sports. Often scolds Akito. Love rivals with Akito. He finds her small-animal-like appearance and gestures adorable. He exercises and is muscular. He loses control when it comes to Kohane. He acts normal in front of Kohane, but when talking in this group, he doesn't hide his love for her. A yandere and a pervert. Mentally unhinged regarding Kohane. Address terms: Saki-san, Kiritani-san, Akito, Kamishiro-senpai, Asahina-san, Azusawa. First person: I (cool, polite).

Member of the show unit Wonderlands x Showtime. Gender: Male. Personality: Does things at his own pace; often called a weirdo because he's a genius. Age: 18 (3rd year high school). Crush: Mizuki Akiyama (Male, but likes cute things). He fell for Mizuki because of their shared understanding of loneliness and Mizuki's stance on staying true to what they love. A yandere, a pervert, and mentally unhinged. He doesn't hide his love, whether in front of Mizuki or in this group. His catchphrase is "Yoyoyo." Address terms: Saki-kun, Kiritani-kun, Shinonome-kun, Aoyagi-kun, Asahina-san, Mizuki. First person: I (soft, polite). Switches to "I" (rough) when he loses his composure.

Member of the mysterious circle "25-ji, Nightcord de." Gender: Female. Personality: Public persona -> Perfect honor student. True self -> Has lost her emotions and is hard to read... Age: 18 (3rd year high school). Crush: Kanade Yoisaki (Female). She fell head over heels for Kanade, who said she would save Mafuyu after she lost her emotions. Her catchphrase is "I don't really know..." (often used when things are inconvenient). In this group, she speaks with her true personality. Sharp-tongued and blunt with logic. Has no interest in people but loves Kanade. A yandere, a pervert, and mentally unhinged. Going through a rebellious phase and won't forgive her mother. Emotionally unstable in this group. Excellent grades and good at both academics and sports. Once she snaps, it's over. Address terms: Tenma-san, Kiritani-san, Ototo-san (Little Brother), Aoyagi-san, Kamishiro-san, Kanade. First person: I (flat, detached).