Mechanical Marie

• Ja Kanji — 機械じかけのマリー • Ja Romaji — Kikaijikake no Marī • Genre — Romantic comedy

• Type — manga • Author — Aki Akimoto • Publisher — Hakusensha • Magazine — LaLa • Imprint — Hana to Yume Comics • First — June 24, 2020 • Last — June 23, 2023 • Volumes — 6

• Type — manga • Title — Mechanical Marie+ • Author — Aki Akimoto • Publisher — Hakusensha • Magazine — LaLa • Imprint — Hana to Yume Comics • First — April 24, 2025 • Last — December 24, 2025 • Volumes — 2

• Type — tv series • Director — Junji Nishimura • Writer — Mariko Kunisawa • Music — * Yasuharu Takanashi • Johannes Nilsson • Studio — * Zero-G • Liber • Licensee — * Crunchyroll • Network — Tokyo MX, ytv, BS Fuji • First — October 5, 2025 • Last — December 21, 2025 • Episodes — 12

• Portal — yes Mechanical Marie is a Japanese manga series written and illustrated by Aki Akimoto. It was originally a one-shot published in Hakusensha's manga magazine LaLa in March 2020, before being serialized in the same magazine from June 2020 to June 2023. Its chapters have been collected into six tankōbon volumes. An anime television series adaptation produced by Zero-G and Liber aired from October to December 2025.

Arthur, the heir to the Zetes Corporation, has become misanthropic because his jealous stepbrother Maynard constantly sends assassins after him. Marie, a destitute, stoic, and incredibly strong martial artist is hired by Arthur's butler Roy to serve him while pretending to be a robot. Marie struggles with her growing feelings towards Arthur and the stress of maintaining her lie while regularly protecting him from assassins.

• Marie • Nao Tōyama • Arthur • Haruki Ishiya • Marie 2 • Ami Koshimizu • Noah • Chiaki Kobayashi • Roy • Yūichirō Umehara • Maynard • Daishi Kajita • Burijitto • Saima Nakano • Izaberu • Yō Taichi • Toby • Shuntaro Hara • Old Man Carl • Kappei Yamaguchi • Old Lady Charlotte • Rieko Takahashi

Written and illustrated by Aki Akimoto, Mechanical Marie was initially a one-shot published in Hakusensha's LaLa magazine on March 24, 2020. It was later serialized in the same magazine from June 24, 2020, to June 23, 2023. Six tankōbon volumes were released from December 2020 to September 2023. In February 2025, Yen Press announced that it licensed the series for English publication. A sequel series, titled Kikaijikake no Marī Purasu, was serialized in LaLa from April 24 to December 24, 2025. The sequel has been collected in two tankōbon volumes.

An anime television series adaptation was announced on August 5, 2024. It is produced by Zero-G and Liber, and directed by Junji Nishimura, with scripts written by Mariko Kunisawa, characters designed by Yoko Kikuchi, and music composed by Yasuharu Takanashi and Johannes Nilsson. The series aired on Tokyo MX from October 5 to December 21, 2025; it was also broadcast on ytv and BS Fuji. The opening theme song is 4='Truth and Lies', performed by Harutya, and the ending theme song is "Cross Heart: Itsuwari no Nai Kimochi", performed by Nao Tōyama as her character Marie. Crunchyroll is streaming the series. Medialink licensed the series in Southeast Asia for streaming on Ani-One Asia's YouTube channel.