After losing her husband, Maki raised her only son, Shuichi, on her own. Financially well-off, she had always been lenient with him. When she discovered that Shuichi had been bullying his classmate Hajime, she went to apologize—only for Hajime to refuse her apology. Seizing on her guilt, Hajime violently assaults her. Meanwhile, Shuichi remains oblivious, continuing to act out—until Hajime corners him and demands, "Hey, lend me your mom for a bit."