Rei Masunaga

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Rei Masunaga

No pic female.jpg

Gender: Female
Date of birth: unknown
Place of birth: Japan
Location: Japan

Rei Masunaga (増永 麗 Masunaga Rei?) is a japanese animation director and character designer main known for her work in Detective Conan. She was formerly affiliated with Studio Boomerang.

Works in Detective Conan

Rei Masunaga started being active as animator in 1994 and became key animator in 1995. She joined the Detective Conan animation team in 1996 and started as a key animator in episode 34. She then started working regularly in the episodes in which Keiko Sasaki is the animation director.

Since late 2003, Keiko Sasaki became irregular animator for Studio Boomerang, thus Rei Masunaga was promoted as animation director, starting with episode 345 under Sasaki's supervision. In 2010, Chiemi Hironaka was appointed as regular animation director for Studio Boomerang, thus Masunaga stopped being animation director and continuedd to work as key animator starting episode 568.

In 2014, Masunaga left Studio Boomerang and joined TMS Entertainment's animation team, and since then has taken various positions including key animation, sub-character design, and animation director. She was notably assistant animation director in movie 23 and movie 26.

Other notable works


  • Akachan to Boku: Key animation
  • Azusa, Otetsudai Shimasu!: Key animation
  • City Hunter: Secret Service: In-between animation
  • Detective Conan: Zero's Tea Time: Key animation (TIME.6)
  • Dororo: Key animation
  • Glass Mask Season 2: Key animation
  • Hamtaro (opening/ending): Key animation
  • Inazuma Eleven: Key animation
  • Kids on the Slope: Key animation, 2nd key animation
  • Lupin III: In-between animation
  • Miami Guns: Key animation
  • Polar Bear's Café: Key animation
  • Rumiko Takahashi Anthology: Key animation
  • Saint Tail: Key animation
  • Sentimental Journey: Key animation
  • Space Brothers: Key animation
  • Squid Girl Season 2: Key animation
  • T.P. Sakura - Time Paladin Sakura - Jikū Bōeisen (OVA): Key animation
  • Teekyū, Teekyū Season 2: Key animation, in-between animation
  • Tenshi na Konamaiki: Key animation
  • Terror in Resonance: Key animation
  • Toilet-Bound Hanako-kun: Key animation
  • Yosuga no Sora - In solitude where we are least alone: Key animation


  • The Boy Who Saw the Wind: Key animation
  • Kaiketsu Zorori Da-Da-Da-Daibōken!: Key animation
  • Lupin III: Farewell to Nostradamus: In-between animation
  • Pokémon the Movie: Kyurem VS. The Sword of Justice: Key animation
  • Soreike! Anpanman Kagayake! Kurun to Inochi no Hoshi: Key animation

See also


  1. Page partially or completely translated from the Chinese version of April 22nd, 2023.
  2. Wikipedia (Japanese)
  3. Atwiki (Japanese)
  4. Anime News Network
  5. The Movie DB