One Night Love is the professional alias of Japanese voice actor Kouta Ooshita. Born on September 26, 1985, in Okayama Prefecture, Japan, he has built a career primarily in the medium of adult anime and audio drama productions. One Night Love is his credited name for these mature-oriented works, while his legal name, Kouta Ooshita, is used for his broader voice acting activities.

One of his notable voice roles is Kōtarō Tokura in the anime series Adults Dunno How to Love!, which was released in 2020. This performance is a representative example of his work within the romantic and adult animation genres.

His broader body of work includes a range of voice credits in anime series and games from the 2010s to the present day. In anime, his roles include Takashi in Nikuen, Yuuta in Kotowarenai Haha, Kusuki Takumi in Mesudachi The Animation, Hayato in Love Me: Kaede to Suzu the Animation, and Tanabe in Secret Story. Earlier in his career, he had minor roles in the mainstream series Sword Art Online, where he voiced characters such as a rubbernecking bystander and a robber.

Beyond animation, One Night Love has an extensive discography of voice drama CDs. These audio works include roles such as Keisuke Togoshi in the series mechakucha shitai, Yuki Nakase in Katsute Oujisama Datta Mono, Taketo Hiiragi in Kekkonseikatsu, and Kiryu Nasukawa in Pleasant feeling. He has also contributed voice work to adult-themed games, with credits including Yamato Kaszuka in Nonke Ippatsu Tabehoudai and Shunta Sueshima in Ego to Koukai no Dilemma.

In terms of professional affiliations, One Night Love is a voice actor represented by the agency Honey Rush. His career is marked by consistent work within a specific niche of the voice acting industry, focusing on adult content across animation, games, and drama CDs, where he has established a prolific presence under his professional alias.