is a Japanese voice actress and singer affiliated with 81 Produce. She is a member of the idol group Iris, and has starred as Leona West in PriPara, Miton in Mahou Shoujo Nante Mouiidesukara, Itsuki Sumeragi in Kakegurui, Sara Midorikawa in Kiratto Pri Chan, Maria von Messina in Wise Man's Grandchild, Mai Tadakusa in Yatogame-chan Kansatsu Nikki, Naoko Naruse in Let's Make a Mug Too, Hikari Jogasaki in Teppen—!!!, Mamoru in My Wife Has No Emotion, Riku Sorano in Princession Orchestra, and Miharu Kiryu in Witch Watch.

Biography Early life Yuki Wakai, an only child, was born on 30 October 1995 and is a native of Gifu Prefecture.『My Girl vol.20』KADOKAWA〈エンターブレインムック〉、2017年10月18日第1刷発行、107頁、 She became an anime fan in junior high, becoming interested in the Higurashi When They Cry anime after a friend of hers invited her to watch the show together, in part due to its Gifu Prefecture setting. Becoming a fan of the Bleach character Tōshirō Hitsugaya, she became interested in voice acting after learning that he was voiced by a woman, Romi Park.

While attending high school, Wakai performed street shows in Nagoya, carrying an electronic piano in her uniform. Despite being part of a unit for these performances, she "wrote [her] own lyrics, composed [her] own music, and sang them". As Wakai later recalled, the music, which she found at the time embarrassing in hindsight, "made [her] realize how important lyrics and melodies are, something you can only write at that time".

Iris and Pretty Rhythm Wakai entered the Avex-sponsored kids' contest Kira Challenge during her second year of junior high school, winning the grand prize and attending Avex's training school the following year. After passing the Avex/81 Produce Anison Vocalist Audition, she became one of the founding members of Iris. As she recalled, her pre-debut training camp was "pretty strict" and their voice acting classes "were really tough for [her]", and having little knowledge of anime, she struggled with conversations there. In 2016, she won the Seiyu Awards Singing Award as part of Iris at the 10th Seiyu Awards.

Wakai starred in PriPara alongside the other members of Iris, voicing Leona West. She reprised her role in PriPara the Movie: Minna Atsumare! Prism Tours, the 2016 stage musical PriPara: Minna ni Todoke, and the 2025 crossover movie Aikatsu! × PriPara the Movie: A Miracle Encounter!. Throughout the Pretty Rhythm franchise, she also voiced Sara Midorikawa in Kiratto Pri Chan and Yurari Saionji in King of Prism: Shiny Seven Stars (2019).

Music career outside of Iris Wakai performed "Destiny Sky", the ending theme song for Kingdom; it was released as a single by Dive II Entertainment on 7 November 2012, making Wakai's solo debut. She has also served as a member of the musical group .

Wakai also works as a solo musician under the name , an alias she also used as a lyricist and composer for Iris. She had forgone her childhood dream of being a singer-songwriter when she settled for Iris, but reconsidered after staff encouraged her; however, she initially struggled for recognition due to her association with the idol group. She released her solo debut single "No More" in 2021. In October 2024, she performed "Hello! My Dream", her solo debut concert. Her solo debut album Main Dish will be released on 29 October 2025.

Voice acting and radio career Wakai made her voice acting debut in the 2013 anime series Kingdom, before starring as Miton in Mahou Shoujo Nante Mouiidesukara. She starred as Itsuki Sumeragi in Kakegurui (2017–2019). She also starred as Maria von Messina in Wise Man's Grandchild and Mai Tadakusa in Yatogame-chan Kansatsu Nikki; she was selected for the latter she was originally from Gifu Prefecture and matched the character's image.一迅社刊 『八十亀ちゃんかんさつにっき』 単行本第6巻 pp.143-144。 She starred as Naoko Naruse in the 2021 anime Let's Make a Mug Too and was part of the anime' Mug-Mo tie-in musical group. Her other starring roles include Hikari Jogasaki in Teppen—!!!, Mamoru in My Wife Has No Emotion, and Riku Sorano in Princession Orchestra. Since 2025, she has starred as Miharu Kiryu in Witch Watch.

In March 2022, she and Akane Takayanagi started co-hosting the CBC Radio show Takayanagi Akane / Wakai Yuki no Yaodagane.

Personal life Wakai cites Chiaki Ito as her idol.

Wakai was once part of a handball club.

Filmography Television animation YearTitleRoleNotesRef2014–2017PriParaLeona West2016Mahou Shoujo Nante MouiidesukaraMiton2016Twin Star ExorcistsSuzu2017-2018Idol Time PriParaLeona West2017–2019KakeguruiItsuki Sumeragi2018–2021Kiratto Pri ChanSara Midorikawa2018BeatlessOlga Suguri2018Wise Man's GrandchildMaria von Messina2019Yatogame-chan Kansatsu NikkiMai Tadakusa 2021Let's Make a Mug TooNaoko Naruse2022Teppen—!!!Hikari Jogasaki2024My Wife Has No EmotionMamoru2025Bullet/BulletRin2025Let This Grieving Soul Retire!Mary Auden2025Princession OrchestraRiku Sorano2025Witch WatchMiharu Kiryu2026Tune In to the Midnight HeartAiko2026The Salty Koharu Has a Soft Spot for MeMadoka Murasaki

Original net animation YearTitleRoleNotesRef2021Oshiete Hokusai!: The AnimationKanon Kano

Animated film YearTitleRoleNotesRef2015PriPara the Movie: Minna Atsumare! Prism ToursLeona West2019King of Prism: Shiny Seven StarsYurari Saionji2025Aikatsu! × PriPara the Movie: A Miracle Encounter!Leona West

Video games YearTitleRoleNotesRef2015Kobayashi ga Kawai Sugite Tsurai!! Ge-mu demo Kyun Moe MAX ga TomaranaiTomo-chan2015Xuccess HeavenWhite Academy student2026Nekopara: Sekai ConnectAckee

Stage musical YearTitleRoleNotesRef2016PriPara: Minna ni TodokeLeona West

References