Oshima Haruka

 (大島遥華) is Japanese idol and a member of KATA☆CHU.

She joined the group on December 17, 2015.

Digital Singles

 * Doromamire Running!!
 * Party“CHU”Night
 * Lemon Soda!!!

Video Releases

 * Tobikose! Shinjuku ReNY ~Utae! Odore! Sawage!~
 * Revenge! Tsumari wa Tanjun ni Shinjuku ReNY o Tobikoshitain Desu!
 * Chikyuu Onpuku Danka Yori mo Majide Atsui Natsu