
Quick answer — Mina Kasai voices Sohara Mitsuki in Heaven's Lost Property, Lee in Gosick, Midori Seto in Inazuma Eleven GO: Chrono Stone and 5 more characters.
Mina Kasai voices Sohara Mitsuki (Heaven's Lost Property), Lee (Gosick), Midori Seto (Inazuma Eleven GO: Chrono Stone), Kanami Mihara (Is this a Zombie?), Rei Takashima (Deadman Wonderland), FAL L1A1 (Upotte!!), Haruka Shigure (A Dark Rabbit has Seven Lives), Minori Rokujo (Maken-Ki! Battling Venus 2).
Sohara Mitsuki is voiced in Japanese by Mina Kasai.