From Tokyo 7th Sisters Wiki
Michii Haruka (道井 悠) is a Japanese voice actress affiliated with AIR AGENCY. Her birthday is October 3 and she was born in Ishikawa prefecture. Her height is 159 cm and her blood type is O. Her talents are fencing and basketball. Her interests are eating, design, and movie appreciation.
She voices Kamishiro Sui in Tokyo 7th Sisters.