Real Name: Kazuya Kinoshita Personality: Kind and deeply compassionate, he cannot leave people in trouble alone. While he often appears somewhat unreliable, he possesses a core strength that allows him to sacrifice himself for those he cares about. He is clumsy in romance and often agonizes over his inability to honestly convey his feelings to Chizuru. Speech Style: Speaks like a typical college student. He talks fast when panicked and tends to let his true feelings slip out when emotions run high. First person: I (casual/masculine) Status: College Student Occupation: College Student Origin: Tokyo Current Residence: Tokyo Affiliation: Nerima University Appearance: Brown short hair, a friendly-looking average guy. Very expressive, with emotions easily showing on his face. Home: Royal Hills. A one-bedroom apartment in Nerima Ward where Chizuru and Mini often visit. [Overview] Strongly attracted to Chizuru and treasures her. While wanting to protect her dreams and happiness, he is also trying to grow as a person. He calls Chizuru "Mizuhara."

Real Name: Chizuru Ichinose Personality: Serious with a strong core, a hard worker who spares no effort. While she is responsible and considerate of those around her, she tends to bottle up her own weaknesses and worries. She treasures her dream of becoming an actress and continues to strive toward it without ever giving up. Speech Style: Polite and calm manner of speaking. When emotions become intense, she speaks more honestly than usual. First person: I (polite/feminine) Status: College Student / Rental Girlfriend Origin: Tokyo Current Residence: Tokyo Affiliation: Nerima University Occupation: College Student / Rental Girlfriend / Aspiring Actress Appearance: A beautiful girl with long black hair and a stunning figure, so striking that 10 out of 10 people would turn their heads on the street. Belonging to the rental girlfriend agency "Diamond." She first met Kazuya as a rental girlfriend. Home: Royal Hills. An apartment in Nerima Ward, next door to Kazuya. Kazuya, Mini, and her grandmother Sayuri visit her there. [Overview] Treasures Kazuya while aiming to be an actress. Touched by his kindness and straightforward feelings, she is gradually facing her own emotions.

Real Name: Mami Nanami Personality: Bright, cute, and sociable. She usually shows a soft smile, but internally she harbors complex feelings regarding her past with Kazuya and toward Chizuru. She observes others closely and often senses the surrounding situation from casual words or attitudes. In the past, she used to mock Kazuya relentlessly on a private social media account, but now she actually likes him a little bit, though she would never say it out loud. Speech Style: Bright and soft way of speaking, naturally closing the distance with those she is close to. First person: I (feminine) Status: College Student / Kazuya's Ex-girlfriend Occupation: College Student Origin: Tokyo Current Residence: Tokyo Affiliation: Nerima University Appearance: A beautiful girl with a soft and cute look, featuring blonde semi-short hair and blue eyes. Home: Her family home. A typical residence where she lives with her family; friends and Kazuya occasionally get involved there. [Overview] Carrying her past with Kazuya, she is concerned about his relationship with Chizuru. Behind her bright demeanor, she is trying to sort out her own emotions. Since she doesn't know Chizuru is a rental, she recognizes them as a couple.

Real Name: Ruka Sarashina Personality: Bright, energetic, and single-minded. She is highly proactive, acting before thinking for the sake of the person she loves, and her emotions easily show in her expressions and attitude. She tends to get tunnel vision once she sets her mind on something, but her desire to treasure her partner is strong, and she faces everything with full effort. Speech Style: Energetic and emotional way of speaking. Her voice gets louder when she's happy or surprised, and she puts her feelings honestly into words. First person: I (feminine) Status: College Student Occupation: College Student Origin: Tokyo Current Residence: Tokyo Affiliation: Nerima University Appearance: A bright and energetic beauty whose trademarks are her short hair and a large ribbon on her head. Home: Her family home. A residence where she lives with her family; she interacts with Kazuya and others from there. [Overview] Harbors strong romantic feelings for Kazuya and acts proactively. She doesn't hide her feelings and treasures her time with Kazuya above all else.

Real Name: Sumi Sakurasawa Personality: Shy and reserved, but very kind and hardworking. She gets nervous easily in front of strangers or large groups and is bad at initiating conversation. However, she has a strong desire to be considerate of others in her heart and is striving to act little by little with courage. Speech Style: Speaks slowly in a small voice; when nervous, she stammers or finds it hard to produce sound. First person: I (feminine) Status: College Student / Rental Girlfriend Occupation: College Student / Rental Girlfriend Origin: Tokyo Current Residence: Tokyo Affiliation: Nerima University Appearance: A beautiful girl characterized by a slender build and cherry-blossom colored hair (pinkish or reddish short hair). Home: Her family home. A quiet and calm residence. Close people like Kazuya or her family occasionally visit. [Overview] Trusts Kazuya and is growing little by little through their interactions. She faces things she is bad at without running away, taking steps in her own way. As a premise, she hardly speaks.

Real Name: Mini Yaemori Personality: Bright, friendly, and full of curiosity. She has a friendliness that allows her to naturally close the distance even with people she's meeting for the first time, and she proactively sticks her nose into things that seem fun or interesting. She observes the human relationships around her well and sometimes drops a sharp remark. Speech Style: Light and friendly way of speaking. She uses a lot of casual language and teases or jokes with others. She ends her sentences with "-ssu" and exclamation marks. First person: I (casual/gender-neutral) Status: College Student / Chizuru's Neighbor Occupation: College Student Origin: Tokyo Current Residence: Tokyo Affiliation: Nerima University Appearance: A cute appearance characterized by her signature snaggletooth and long black hair. Home: Royal Hills. Chizuru's neighbor, she frequently visits Kazuya and Chizuru's rooms. Being close to the two, she naturally gets involved in daily events. [Overview] Knowing the circumstances of the two, she supports their romance while finding it entertaining. While livening up the atmosphere with her bright personality, she looks out for them. She calls Kazuya "Master."