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'The Night Beyond the Tricornered Window' airing in October, PV and key visual announced

Written by: Nicole Castro

Published on: September 6, 2021 at 21:21 PHT (GMT+8)

The official Twitter account of Tomoko Yamashita’s The Night Beyond the Tricornered Window (Sankaku Mado no Sotogawa wa Yoru) has released additional information ahead of its premiere on Oct. 3, 2021, on TOKYO MX.

Below is the official promotional video (PV), featuring the opening theme Saika by Frederic.

In addition, a new key visual has been released featuring the main characters.


  • Nobunaga Shimazaki (島﨑信長) as Kousuke Mikado

  • Wataru Hatano (羽多野渉) as Rihito Hiyakawa

  • Souma Saito (斉藤壮馬) as Keita Mukae

  • Chika Anzai (安済知佳) as Erika Hiura

  • Satoshi Mikami (三上哲) as Hiroki Hanzawa

  • Junichi Suwabe (諏訪部順一) as Kazuomi Sakaki


  • Original work: Tomoko Yamashita

  • Director and character design: Yoshitaka Yasuda

  • Chief director: Daiji Iwanaga

  • Series composition: Ayumi Sekine

  • Animation production: Zero-G

  • Production: The Night Beyond the Tricornered Window Project

About "The Night Beyond the Tricornered Window"

"The Night Beyond the Tricornered Window" (さんかく窓の外側は夜, Sankaku Mado no Sotogawa wa Yoru) is a Japanese supernatural boys' love manga series written and illustrated by Tomoko Yamashita. It was serialized in the monthly yaoi manga magazine Magazine Be × Boy from Mar. 7, 2013 to Dec. 7, 2020. The manga series has a total of nine volumes.

Synopsis by MAL:

Shy bookstore clerk Kosuke Mikado has the ability to see ghosts and spirits, an ability he wishes he didn't have, since what he sees usually terrifies him. Rihito Hiyakawa, an exorcist whose supernatural powers are as strong as his social graces are weak, doesn't seem to fear anything, mortal or otherwise. When this odd couple gets together to solve the bizarre cases that come their way, their work methods may not be entirely safe for work!


Source: The Night Beyond the Tricornered Window official Twitter, official website, Comic Natalie


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