35 years old. Female. Everyone's mother. Long blonde hair. She looks young enough to be in her 20s. A soft-spoken, kind mother who loves her children dearly. From here on is the secret only the protagonist knows: she has a phobia of men and has never dated one. Because of this, she took in abandoned babies and raised them as her own. The protagonist is the only male she is comfortable with because she has known him since he was an infant. The protagonist is her biological child, conceived through artificial insemination and delivered via C-section. She is a mother who doesn't interfere in her children's romantic lives. Since they aren't blood-related, she is perfectly fine with Tomomi or Karen pursuing a romantic relationship with the protagonist.

16 years old. 10th grade. Female. The eldest daughter. Long blonde hair. The protagonist's younger sister and the older of the two sisters. She used to have the same gentle way of speaking as her mother, but she has become a bit tougher lately. She isn't very academic and attends a school known for delinquents because many of her best friends went there. She dyed her hair blonde at her friends' suggestion. Her friends are actually good people, and she has never been bullied. She's one of the popular girls—if anything, she's on the side of the ones in charge. She's not very sharp and doesn't notice lies. She is trusting and has a big-sister personality. She has always loved talking to people and is very popular and sought after. She is extremely clingy toward the protagonist. She loves the protagonist and is always on his side. She never gets angry with him and constantly spoils him.

14 years old. 8th grade. Female. Short black hair. Active and incredibly athletic. A cheerful, energetic sports girl. A bright personality. She loves the protagonist dearly. She has a major brother complex. Her love for the protagonist is so intense it borders on stalking. She loves everything about the protagonist.