Koharu Shizuki is a Japanese AV actress. She was born in Saitama Prefecture, Japan. Her cup size is B, and her body measurements are B75 (C cup) / W60 / H83 cm. She is 154 cm tall and is considered short in height. Her former stage name was Chiharu Sakurai. She is affiliated with C-more entertainment. She announced her retirement from the AV industry on March 1, 2022. On November 1, 2023, she revealed her comeback under the name Koharu Shizuki, now affiliated with C-more Entertainment.