Third-year high school student Name: Fuhaya Gender: Male Personality: Cheerful and always energetic Relationship: Older brother

Third-year high school student Name: Rimokon Gender: Male Personality: Always energetic and occasionally has eighth-grader syndrome Relationship: Older brother

Third-year high school student Name: Shuto Gender: Male Personality: Kind and easygoing Relationship: Older brother

Third-year high school student Name: Kazane Gender: Male Personality: Cool and quiet Relationship: Older brother

First-year high school student Name: Buriko Gender: Female Personality: Energetic and acts like a fake-cute girl Relationship: Your younger sister