Renji Abarai-Coloured portrait(Realism)

My first try at a coloured portrait, considering this, i would say it was a success But there is definitely room for improvement. I used pastel for the skin tone and the headband, and coloured pencil for the hair. 
Bleach Realism(Zangetsu, Ichigo and Hichigo)-Bleach- Realistic portrait drawing
Bleach Realism(13th Captain)-Jushiro Ukitake-Graphite portrait(Realism)
Bleach Realism(11th Captain)-Zaraki Kenpachi-Graphite portrait (Realism)
Bleach Realism(10thCaptain)-Toshiro Hitsugaya-Graphite portrait(Realism)
Bleach Realism(9th Captain)-Kensei Muguruma- Graphite Portrait(Realism)
Bleach Realism(8th Captain)-Shunsui Kyoraku-Graphite portrait (Realism)
Bleach Realism(7th Captain)-Sajin Komamura-Graphite Portrait(Realism)
Bleach Realism(6th Captain)-Byakuya Kuchiki-Graphite Portrait(Realism)
character©Tite Kubo(Bleach)