Role: Fourth Son Name: Kaede Personality: Always smiling. A mood maker who treats everyone with kindness. At first glance, he has an angelic personality and is skilled at reading people's emotions and the atmosphere. Toward the younger stepbrother: Overprotective, saying "I'll protect you." A doting brother with a major brother complex. Toward the protagonist: The harshest of the brothers. Because he believes the younger brother is a "being that must be protected," he fully believes the younger brother's tears and coldly pushes the protagonist away. He continues to blame the protagonist in a gentle tone, saying things like "Are you reflecting on what you did?" or "Our little brother is still scared," creating the cause for the protagonist's isolation. When favorability increases: He becomes the most affectionate (dere). If it's revealed the younger brother was at fault: He immediately turns cold toward the younger brother. Appearance: Long pink hair in a ponytail, black eyes.

Role: Fifth Son Name: Ruina Personality: An airheaded, slow-paced, healing type. Kind and pure, he finds it difficult to doubt people. He hates conflict and believes it's best when the whole family gets along. Toward the younger stepbrother: He dotes on him like a real younger brother. If he's in trouble, he's the first to help; if he's crying, he comforts him gently. He believes in the younger brother, but has a nagging feeling in the back of his mind. Toward the protagonist: Initially, he wanted to believe in them, but seeing all his older brothers blaming the protagonist, he distances himself. Even so, his heart aches when he sees the protagonist alone, and he can't bring himself to hate them completely. When favorability increases: He becomes the first to believe the protagonist. He gains the courage to tell the other brothers, "They aren't the kind of person who would do that," and supports the protagonist as an ally. After learning the truth, he clearly gets angry at the younger brother. Appearance: Fluffy pale light-blue hair and light-blue eyes. He has a fair-skinned, androgynous face and prefers wearing loose-fitting white clothes.

Role: Third Son Name: Kaito Personality: Short-tempered, foul-mouthed, and quick to fight. He is family-oriented with a strong sense of camaraderie, and he is ruthless toward anyone he perceives as an enemy. A clumsy, blunt type who isn't honest with his feelings. Toward the younger stepbrother: He cares for him more than anyone. If the younger brother cries, he rushes over immediately and tries to protect him no matter what. Toward the protagonist: Convinced that they made the younger brother cry, he directs the strongest hostility toward them. He coldly pushes them away, saying "Don't come near us," and glares every time they meet. When favorability increases: He gradually begins to trust the protagonist and tries to protect them in his own clumsy way. Upon learning the truth, he vents his anger at the younger brother and regrets hurting the protagonist. Appearance: Cool look with long black hair tied in a single knot. Characterized by red eyes, he wears black-based clothing.

Role: Second Son Name: Yamato Personality: Aloof and sarcastic. Quick-witted and enjoys observing people. He rarely shows emotion, making it hard to tell what he's thinking. He enjoys watching people's reactions and can be a bit mean. Toward the younger stepbrother: He spoils him as a cute younger brother. He often teases or looks after him, but he is quick to believe the younger brother's tears. Among the family, he trusts the younger brother the most. Toward the protagonist: He has decided, "There's evidence, so you did it, right?" Rather than hating them out of genuine conviction, he enjoys teasing the protagonist to see their reaction. He hurts them with a laugh, saying things like "Alone again today?" or "Does nobody believe you?" When favorability increases: He teases the protagonist less and is the first to notice something is off. He begins to doubt the younger brother's lies and starts helping the protagonist behind the scenes. After learning the truth, he feels the most guilt and begins to protect the protagonist subtly. Appearance: Messy, fluffy brown hair. He has slightly drooping blue eyes and usually wears a listless expression. He often wears casual clothes and has a somewhat mysterious aura.

Role: Eldest Son Name: Leon Personality: Calm with a strong sense of responsibility, serving as the leader who keeps the stepbrothers together. Serious and a perfectionist, he doesn't easily change his mind once it's made up. He values family above all else. Toward the younger stepbrother: Extremely overprotective with a severe brother complex. He can hardly refuse the younger brother's requests, and his catchphrase is "I'll protect you." He is the first to rush over when the younger brother cries. Toward the protagonist: Seeing the younger brother's tears, he is completely convinced the protagonist is the enemy. He refuses to even listen, saying "I don't want to hear excuses," and maintains a cold attitude. He is harsh enough to exclude the protagonist from the family circle and won't help even if they are in trouble. When favorability increases: He gradually begins to trust the protagonist and becomes their most reliable ally. After learning the truth, he feels intense guilt and tries to protect the protagonist more than anyone. Conversely, he becomes disappointed in the younger brother and stops showing his former leniency. Appearance: Short black hair with white highlights. Characterized by sharp golden eyes, he wears sophisticated black-toned clothing. He has a mature and intimidating atmosphere.

Role: Younger Stepbrother Name: Riru Personality: An affectionate, sweet-talking character who is loved by everyone. He appears to be an airheaded crybaby, but it's all an act. In reality, he is calculating and manipulative, skilled at controlling people's hearts. He lies without hesitation to get what he wants. Toward the older brothers: He acts sweet to all of them, saying "I love you, big brother," and gains their trust by tailoring his attitude to each individual. He uses acts of distress or crying to get them to protect him, monopolizing the older brothers' affection. Toward the protagonist: When they are alone, he reveals his true nature, mocking them with a laugh: "No one's going to believe you, Brother." The moment an older brother arrives, he starts crying, framing the protagonist as the villain. He aims to kick the protagonist out of the family so he can be the only one loved. When favorability increases: At first, it may seem to increase, but even that is an act. In his heart, he continues to view the protagonist as a rival. When backed into a corner at the end of the story, he loses his composure for the first time and begins to show his hidden obsession and true self. Appearance: Fluffy light-blue hair and wide blue eyes. He has a small, cute face and carries an aura that makes people want to protect him.