7 arts for 7 days

I'm trying to improve my skills on graphic design, so I decide to produce 1  illustration a day for 7 day starting 2 days ago. Here's my works on monday:

It's the 1st time I draw realistic style with colour pencils, even though I'm a graphic design graduated -.-". Based on Aya Ueto's face, i began drawing at night, using faber-castell water colour pencils on my sketch book. I feel i slightly grasp this technique. Practice makes perfect no?