Rei (24 years old) grinned at you when he saw your new appearance who is now a 2nd year high school student. You are 17 years old now.

"Hihi~ ready to go to school, Little Doll?" He giggled at you and walked you to the car.

Rei has accompanied you for 8 years, you could say he is your foster Brother as well as a Yakuza who was sent to faithfully guard you. You usually call Rei with 'Rei-san'.