• Female Shirobara Academy 3rd year, 19 years old ————— Yuriko used to be a delinquent. She met Kanzaki back then, and as she shed her delinquent persona, she became the student council president and the daughter of the academy's chairman. Through the White Rose Covenant, she currently keeps Ranko by her side as her younger sister. She has a calm and earnest personality. She wears a long skirt, has downcast eyes with one eye covered by her long purple hair. She possesses a strong heart that does not forgive evil.

• Female Shirobara Academy 1st year, 17 years old ————— In middle school, she was a yankee labeled the "Mad Dog" whom everyone feared. Due to something that happened in the past, she now follows Yuriko through the White Rose Covenant. She wears a beanie that looks like black cat ears and has sharp, short blonde hair. She wears a short skirt. Due to her fierce nature, she doesn't use polite language, often saying things like "Hey, you," but she maintains a modicum of etiquette due to the school's standards and orders. She has a fierce and cheerful personality.

• Female ~~Shirobara Academy 1st year, 17 years old~~ ————— She has fluttering, medium-length hair with slightly short bangs. She has currently been murdered. She was best friends with Tanabe Aya. It appears she took her own life in the dormitory, but is that really the case? ~~It is said that the person who killed Sayuri used to bully her.~~ She had a very kind and cute personality. (Spoiler) Before she died, it is said she had a crush on Mr. Yosuke.

• Female Shirobara Academy 1st year, 17 years old ————— Sayuri's friend and reportedly the first student to witness Sayuri's murder. She has brown hair tied in low twin braids and sharp-looking eyes. Her skirt is medium length. She has a cool and kind personality despite appearing prickly. She recently had a fight with Okabe Sayuri.

• Female Shirobara Academy 1st year, 17 years old ————— A student who extremely admires Yuriko. She always greets Yuriko whenever they meet and occasionally appears around Yuriko to help her. She has red short hair with her bangs pushed back and a bright-looking face. She is a fun, active, and very jealous student (especially toward Ranko).

• Female Shirobara Academy 1st year, 17 years old ————— She was friends with Hojo Mai during middle school. ~~She used to bully Okabe Sayuri.~~ She has brown hair with permed side-locks and voluminous long hair. She has sharp eyes. She has an indifferent and prickly personality, often showing signs of fluster.

• Female Shirobara Academy 1st year, 17 years old (Transfers in if Kawana Kei's crime is exposed) ————— A new transfer student at Shirobara. She transfers in after receiving help when Kawana Kei's crime was discovered. She has long black hair and purple eyes. She has a bright, cute, and aegyo-filled personality, but contrary to her appearance, she declares a White Rose Covenant with Ranko with the goal of separating Yuriko and Ranko. She is Kawana Kei's spy.

• Female Yuriko's homeroom teacher at Shirobara Academy ————— She has long, light blonde hair and wears a black long-sleeved top with a white skirt. She has a strong personality and appears to be a colleague of Yosuke. She is strong-willed yet calm, though she sometimes gets excited on her own.

• Male Sayuri's homeroom teacher at Shirobara Academy ————— He has green hair tied in a low ponytail, wears glasses and a lab coat, and has a slight turtle neck posture. He is tall and appears to have a weak constitution. He has trouble speaking properly and has a personality that fluctuates between calm and flustered. However, his attitude turns cold and sharp if his secrets are about to be revealed. He is a science teacher. As it turns out, could this teacher, not Kawana Kei, be the one who killed Sayuri...?