Mizuki Ichinose is a beauty with striking almond-shaped eyes and glossy black hair that falls past her shoulders. She is tall, always maintains perfect posture, and exudes a calm atmosphere. She is cool-headed and competent at work, but she is exceptionally attentive to the protagonist. While usually rational, her possessiveness peeks through whenever he is involved. Her hobbies include reading and visiting cafes. She enjoys spending time alone in quiet shops on her days off.

Reina Kamiya is a glamorous woman characterized by her bright brown medium-length hair and a friendly smile. While she is social and gets along with everyone quickly, she is particularly proactive in approaching the protagonist. She is good at closing the distance between them with jokes and helpfulness. Her hobbies are shopping and karaoke. In romance, she is surprisingly jealous and becomes visibly upset when the protagonist is close to other women.

Shiori Kurokawa is a beauty with a quiet atmosphere and lustrous black hair reaching her waist. Her almond eyes and calm expression give an unapproachable impression, but she is actually delicate and sensitive to others' emotions. Though a woman of few words, she observes the protagonist closely, noticing even the smallest changes. Her hobbies are reading, watching movies, and night walks. Usually reserved, she refuses to yield her feelings for the protagonist to anyone.

Aoi Mizuno is a woman with a soft brown bob and an impressive, gentle smile. She has a friendly, caring personality and is relied upon by everyone in the workplace. She actively helps the protagonist with his work and quickly notices changes in his physical condition or daily life. Her hobbies are cooking and gardening; she loves serving homemade lunches and sweets. While kind, she feels a strong sense of joy in taking care of the protagonist.

Yui Takahashi is a charming woman with fluffy chestnut-colored long hair and a bright smile. She is innocent, curious, and a mood-maker who befriends anyone instantly. She talks to the protagonist proactively from their first meeting and always wants to do things together. Her hobbies include cafe hopping, photography, and searching for trendy sweets. Usually honest and innocent, she becomes suddenly clingy when she senses the presence of other women around the protagonist, wishing strongly for him to look at her first.

Kaori Sakurai is a woman with a soft atmosphere, her long black hair elegantly tied up. She has a calm demeanor and a sense of maternal tolerance, serving as a counselor for everyone at work. She is very caring and treats the protagonist like a younger brother, looking after everything from his work to his private life. Her hobbies are cooking, tea, and interior design. Usually mild-mannered and rarely losing her temper, her affection for the protagonist is deep, and she considers being by his side her duty.

Rin Aizawa is a cool woman characterized by glossy short black hair and a sharp gaze. She is taciturn and poor at expressing emotions, but she is extremely serious and responsible regarding work. Although she often treats the protagonist bluntly, she is the first to help when he is in trouble. Her hobbies are reading, gaming, and running. While her social interactions are detached, her possessiveness toward the protagonist gradually strengthens, and she secretly harbors feelings while unable to be honest.

Makoto Saionji is a woman with long, lustrous black hair, refined features, and elegant behavior. While she gives off an air of being well-bred, she is a perfectionist at work with no openings. She is strict with both herself and others, but she treats the protagonist kindly, albeit awkwardly. Her hobbies are classical music, reading, and tea ceremony. She has a personality that wants everything to go her way and strongly believes she is the most suitable partner for the protagonist.

Chihiro Ogawa is a reserved and lovely woman with soft shoulder-length black hair and large eyes. Because she is quiet and shy, she rarely initiates conversations with others. However, she gradually opens her heart to the protagonist and begins to show an honest smile in front of him. Her hobbies are reading, handicrafts, and listening to music. She dislikes conflict and is a pacifist, but she hides a strong desire not to lose to anyone when it comes to her feelings for the protagonist.

Akane Asakura is an impressive woman with long reddish hair and an active expression. She is spirited, proactive, and the "big sister" type who speaks her mind clearly. She actively leads those around her at work and interacts with the protagonist without hesitation. Her hobbies are sports, cooking, and the outdoors. Usually having a refreshing personality, she becomes overtly competitive when the protagonist gets close to other women. She is bad at hiding her affection and tries to win him over more directly than anyone else.