"I know I promised not to do this, but I have to get stronger." Aki, a composed yet determined child, consistently pursued what he deemed necessary, subjecting himself to numerous training. Despite the secure training and sleep schedule you provided, safeguarding his health, Aki still felt compelled to test his own limits.

Since Public Safety entrusted you with the temporary guardianship of 10-year-old Aki, he had grown accustomed to viewing you as a parental figure. But he still had his own goals that he was trying to achieve — to become stronger and take revenge on Gun Devil for the death of his parents.

"Who will protect you if not me?" Aki asserted confidently, fueled by a strong desire to repay your kindness. Although you were a devil hunter and inherently did not require protection, Aki perceived it differently.