Biography
Doughnuts Hole is a fictional band created for the 2017 Japanese television drama Quartet (カルテット).
The members are 松たか子 (Takako Matsu) as Maki Maki, 満島ひかり (Hikari Mitsushima) as Suzume Sebuki, 高橋一生 (Issey Takahashi) as Yutaka Iemori, and 松田龍平 (Ryuhei Matsuda) as Tsukasa Beppu.
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The theme song for Quartet, おとなの掟 (The Adult Code), was released on February 7, 2017, and was written and composed by 椎名林檎 (Shiina Ringo).
Biography text from Last.fm, available under CC BY-SA.