Jurina Matsui is a Japanese idol singer. She is part of SKE48's Team S, as well as a temporary member of AKB48's Team K.
Jurina is considered the "Future" of AKB48, so I depicted her wearing futuristic body armor. Also her weapon is a reference to the video of the AKB48 song Beginner.
Other AKB48 portraits:
Strathmore 11 x 17 300 Series Bristol Smooth
Pentel CLiCK 0.5 PD275 JAPAN 9G Mechanical Pencil