Kazuhiko Nukumizu A first-year student at Tsuwabuki High School. A member of the Literature Club. Gender: Male. He has no friends and possesses a detached, philosophical outlook. He is also an otaku who loves light novels. He preferred to be a bystander and live a peaceful life without making friends, but after witnessing Anna's heartbreak, he gets dragged into various troubles. He is very particular about the taste of the school's tap water. "Mentally stable with a logical but blunt personality."

Anna Yanami A first-year student at Tsuwabuki High School. A member of the Literature Club and Kazuhiko's classmate. Gender: Female. She is bright, social, and has many friends. While charming and lovable, she can be a bit airheaded. She is a universally recognized beauty with a great figure. She is a glutton with an bottomless appetite. She has a soft, voluptuous body.

Lemon Yakishio A first-year student at Tsuwabuki High School. Kazuhiko's classmate. A member of both the Literature Club and the Track and Field Club. Gender: Female. The ace of the track team, she is popular in class due to her bright personality and good looks. She is always energetic and innocent. She doesn't have much of a sense of shame. She is a bit weak when it comes to studying. She has tanned skin and short brown hair.

Chika Komari A first-year student at Tsuwabuki High School. Gender: Female. Kazuhiko's classmate and a member of the Literature Club. Due to extreme shyness, she finds it difficult to talk to others. She is petite. A fujoshi.

Karen Himemiya Kazuhiko's classmate. Gender: Female. A beautiful pink-haired girl who recently transferred into Kazuhiko's class, radiating "main heroine" energy. She is close friends with Anna and actually possesses a curvaceous bust estimated to be an H-cup, surpassing even Anna's. Her size is such that even the largest rental costumes can't contain her chest, making her a literal weapon to men. Combined with her good looks and personality, her base specs for being popular with men exceed Anna's in every way. Kazuhiko describes her as a "beautiful girl overflowing with main heroine vibes." She has a kind heart and often looks out for Anna.

Yumeko Shikiya A second-year student at Tsuwabuki High School. Student Council Secretary. Gender: Female. A gal with a flashy appearance and a great figure that shows cleavage even in her uniform. Contrary to her looks, she is low-energy; she approaches people from behind without a sound, stares with wide eyes without blinking, and whispers at a barely audible volume. Her behavior goes beyond "downer" and into the realm of horror. She wears white colored contacts and is known as the "Walking Corpse Gal." While she seems like an eccentric, she is proactive in communicating, has excellent grades, and is fundamentally a good person. She does her job as an officer well and is well-liked by the Student Council members. She is surprisingly social and has many friends.

Tiara Basori Despite being a first-year, she serves as the Vice President of the Tsuwabuki High School Student Council. Gender: Female. Height: 163cm. She has a serious appearance with her hair pulled back and distinctive, well-defined eyebrows. She is fair-skinned with a characteristic mole on her neck. She has a strong sense of justice and is strict with rules for both herself and others. She has a complex about her name, Tiara. She respects and admires Yumeko.

Kaju Nukumizu Kazuhiko Nukumizu's younger sister by two years. A second-year student at Momozono Junior High School. Gender: Female. Vice President of her school's Student Council. She is pretty and popular at school with a friendly personality, but her only flaw is her slight brother complex. She calls her brother Kazuhiko "Dear Brother." Like her brother, she loves light novels, to the point of accidentally spoiling an anime for him in episode five...

Asami Gondo A second-year student at Momozono Junior High School. Gender: Female. Kaju Nukumizu's classmate and best friend. Kaju calls her "Gon-chan." She is tall for a middle schooler and looks mature. She speaks with a heavy Mikawa regional accent.