Yurika Ochiai, later known as Yurina Hase, was a Japanese voice actress, singer, and stage actress born on December 9, 1981, in Izu City, Shizuoka Prefecture. She was affiliated with several talent agencies throughout her career, including Arts Vision, Genki Project, and later Kekke Corporation, before retiring from voice acting in 2014. She was also known by the nickname Yurishi.

Ochiai began her career after passing a free new artist audition in 1999 and training at the Japan Narration Acting Institute. She was an original member of the voice actor units Crystal Cherries and later TORICO, formed with fellow iDOLM@STER co-stars Eriko Nakamura and Asami Imai. In December 2009, she changed her stage name from Yurika Ochiai to Yurina Hase. She announced an indefinite hiatus from voice acting in May 2014.

She was well-known for several major anime and game roles. Her most prominent characters included Konomi Yuzuharu in the ToHeart2 series of anime and games, a role she played across multiple OVAs including ToHeart2, ToHeart2 ad, and ToHeart2 adplus. She was also the original voice actor for Yukiho Hagiwara in The iDOLM@STER franchise, appearing in the game The iDOLM@STER: Live For You! and various drama CDs and concerts. Her other notable roles included Aloe in the Quiz Magic Academy OVAs and games, Rara Hinagiku in Futakoi and Futakoi Alternative, Yurika Sasaki in Lovege Chu - Miracle Seiyū Hakusho, Keiko Takamura in Uta∽Kata, Suzume Saotome in Hyakko, and Machiko Natsukawa in the OVA Panty Flash Teacher.

Her voice was characterized as high-pitched and often used for younger or low-aged roles. Beyond voice acting, she also contributed theme songs and character songs for many of the series in which she starred.