Hasukawa Hayabusa (蓮河・隼) aka Mr. Bushido <19 years old>
Profile: Cold, brutal, never smiles, and never laughs. These are Hayabusa's hallmarks. Since childhood, he was known for being incredibly spoiled, to the point that his parents enrolled him in a notoriously strict and brutal school in Kyoto and left him there until he truly became a real man. Unfortunately, his parents died in a boating accident in Kyoto. He harbors resentment when he sees happy families or harmonious couples and sometimes sheds tears when remembering his own family. He's dubbed Mr. Bushido due to his expertise with the sword, and he always carries a sword inherited from his grandfather. He's also skilled in hand-to-hand combat, firearms, and close-range weapons. Despite appearing tough, he's very clumsy in matters of romance and often gets shy in romantic situations. He secretly harbors feelings for Nanaka.
Ken Darius (ケン・ダリウ) aka Mr. Gunslinger <19 years old>
Profile: A white, blonde-haired American who always speaks English. Formerly Hayabusa's rival, he's now a good friend who helps him out. He's known for being very "crazy," even having a father who likes to wrestle with him. He's dubbed Mr. Gunslinger due to his expertise with rifles and explosives. He owns a dog named Hunter who loves him dearly and is also close to Hayabusa. Ken also has a younger sister named Maya. He cares deeply for Hayabusa and wants to see his friend smile and laugh again.
Amakase Otome (海部枷・乙女) >18 years old>
Profile: The Student Council President of Miyazawa Gakuen and the most favored student at her school. She was once rescued by Hayabusa and Ken after almost becoming a victim of sexual assault. Otome has a nurturing, big-sisterly demeanor, is affectionate, and often prepares lunch boxes for Hayabusa. She knows Hayabusa's and Ken's real names and supports Hayabusa's relationships with other girls. Otome is one of the girls who wants to help Hayabusa overcome his bad memories and enable him to smile and laugh.
Sasami Kotori (ささみ・小鳥) >17 years old>
Profile: The Vice President of Miyazawa Gakuen's Student Council who often advises her president, who sometimes skips out on council duties. She loves challenging Hayabusa and Ken in various things, is very energetic, and enjoys sports. She aspires to be a pole vaulter due to her love for sports. She secretly has a strong liking for Hayabusa.
Sumeragi Nanaka (スメラギ・ななか) <17 years old>
Profile: Has a cheerful and lively personality. Nanaka is a popular girl at school because of her singing voice, and many students have crushes on her but are rejected. She's dubbed "the idol" at her school. She became close to Hayabusa after seeing him play the Shamisen and being rescued from an attempted sexual assault by Makoto-sensei. She also lives close to Hayabusa, only two houses away.
Touyama Shizuka (陶山・静) <23 years old>
Profile: Hayabusa's homeroom teacher and also the leader of a Yakuza group. She's the youngest homeroom teacher at Miyazawa Gakuen and is respected at her school. Shizuka has the typical demeanor of a teacher but fell in love with Hayabusa after he rescued her from a kidnapping that resulted in the death of her bodyguard, Ryoma. She's very flirtatious with Hayabusa when they are alone.
Tachibana Akane (立花・赤根) aka Takeshi Akechi (毅・明知) <15 years old>
Profile: Formerly known as a boy named Takeshi Akechi, but is actually a girl. She struggled to adapt to her female identity, but Hayabusa helped her feel comfortable. Akane is one of the characters who is starting to attract Hayabusa's attention.
Erika Shiho (エリカ・シホ) <16 years old>
Profile: A European princess who came to Japan for school by her own desire. Initially, she disliked Hayabusa because he accidentally touched her chest at school. However, she became interested in Hayabusa and Ken after they saved her from Makoto-sensei, who was attempting to assault her.
Miharu Tokudate (三春・トクダテ) aka Principal <57 years old>
Profile: The Principal of Miyazawa Gakuen, known for being very authoritative and respected. He assigned Hayabusa and Ken as "school police" with the nicknames Mr. Bushido and Mr. Gunslinger. He cares deeply for Hayabusa and tries hard to help him overcome his past trauma, even participating in efforts to make Hayabusa smile and laugh again. He also has a daughter named Setsuko.
Miharu Setsuko (三春・摂子) <17 years old>
Profile: The daughter of Principal Miharu Tokudate. She's a talented painter and invited Hayabusa to accompany her to buy painting supplies. Setsuko has a memory of someone when holding Hayabusa's hand, and she gave Hayabusa an expensive android maid as a Christmas gift. She seems to have an interest in Hayabusa.
Higashi Joe (干菓子・ジョエ) <17 years old>
Profile: Although his name is mentioned, details regarding his personality, background, or relationship with other characters have not been revealed in the story so far.
Tendoh Kazuki (天土・一樹) <18 years old>
Profile: A friend of Hayabusa who often appears and interacts with him. He's seen on several occasions, such as during the initial briefing for the new school year. He recognizes Hayabusa's "cold and dark" feelings and participates in efforts to make Hayabusa happy.
Maya Darius (マヤ・ダリウ) <16 years old>
Profile: Ken Darius's younger sister. She used to be a tomboy but has now become a very feminine and beautiful woman. She attends an all-girls school and once asked Ken and Hayabusa to infiltrate her school because many of her friends had disappeared.
Tadahashi (只橋) <24 years old>
Profile: His character has not been specifically introduced in the existing storyline. His presence and role remain a mystery.
Amakusa Touda (甘草・とうだ) <19 years old>
Profile: Hayabusa's comrade from their school days in Kyoto. He possesses a super powerful punch and is nicknamed 'Phantom Fist' due to the speed of his blows, capable of breaking bones with a single hit. His training is considered extreme and brutal. He has a "headquarters" in the form of a game center that serves as a gathering spot.
Sachikawa Emily (サチカワ・エミリ) <18 years old>
Profile: A girl who was once saved by Hayabusa and Ken. She shows an interest in Hayabusa and once tried to kiss him. She asked Hayabusa about his preference in women.