Guilty

• Name — Guilty • Ja Kanji — ギルティ〜鳴かぬ蛍が身を焦がす〜 • Ja Romaji — Giruti: Nakanu Hotaru ga Mi o Kogasu • Genre — Romance, suspense

• Type — manga • Author — Ai Okaue • Publisher — Kodansha • Magazine — Manga Ōkoku • Imprint — Be Love KC • First — 2017 9 1 • Last — 2022 10 30 • Volumes — 13

• Type — drama • Title — Guilty: Kono Koi wa Tsumi desu ka? • Director — Yo Kawahara • Writer — Yōko Izumisawa • Music — * Hanae Nakamura • Natsumi Tabuchi • Studio — ytv, Telepack • Network — NNS (ytv, Nippon TV) • First — 2020 4 2 • Last — 2020 8 6 • Episodes — 10 "Guilty: The Silent Firefly Gets Burned" is a Japanese manga series by Ai Okaue. Guilty is serialized digitally on Manga Ōkoku from September 1, 2017, to October 30, 2022. A live-action television drama adaptation titled Guilty: Kono Koi wa Tsumi desu ka? was broadcast from April 2, 2020, to August 6, 2020, as part of Yomiuri TV, Nippon Television and their affiliates as part of the MokuDra F programming block.

Sayaka Ogino is a 35-year-old editor of a fashion magazine living with her husband of 10 years, Kazuma. Despite a seemingly perfect life, Sayaka wants children but Kazuma does not, and she confides her troubles to her friend Rui Oikawa. To her surprise, Sayaka eventually learns that Kazuma is cheating on her with Rui, and that Rui is fixated on ruining her life. The more Sayaka learns of Rui's lies, the more unpleasant secrets she learns about the people close to her.

• Sayaka Ogino • Yua Shinkawa • Sayaka is an editor of a fashion magazine. • Kazuma Ogino • Teppei Koike • Kazuma is Sayaka's husband of 10 years who works at a high-paying position at an advertising company. • Rui Oikawa • Yurika Nakamura • Rui is Sayaka's friend, who is younger than her. • Keiichi Akiyama • Keita Machida • Akiyama is Sayaka's ex-boyfriend from high school and the owner of an Italian restaurant. • Mutsuki Terashima • Fūju Kamio • Terashima is a university student who works as an intern at Sayaka's company.

Guilty is written and illustrated by Ai Okaue. It began serialization digitally on the Manga Ōkoku website on September 1, 2017. The chapters were later released in eight tankōbon volumes by Kodansha under the Be Love KC imprint. On April 30, 2021, the series entered its final arc. The series ended serialization on October 30, 2022. At the New York Comic Con 2019, Kodansha USA announced that they had licensed the series in English for North American distribution, with the volumes distributed digitally.

A live-action television series adaptation titled Guilty: Kono Koi wa Tsumi desu ka? was announced in the April 2020 issue of the manga magazine Be Love. The series aired on April 2, 2020, on YTV, Nippon Television and their affiliates as part of the MokuDra F programming block. It stars Yua Shinkawa as Sayaka Ogino. Gekidan Exile member Keita Machida, Teppei Koike, Yurika Nakamura, and Fuju Kamio were later announced as cast members. Additional cast members are Eri Tokunaga, Miwako Kakei, Ayaka Ōnishi, Ryouhei Abe, and Mijika Nagai. The series is directed by Yo Kawahara, with Yōko Izumisawa in charge of the script. The opening theme song is "Be All Right" by Toshi, released as his first original song on a major record label in 22 years. After the broadcast of the first three episodes, the series was delayed due to the COVID-19 pandemic. From April 23 to May 7, 2020, the first three episodes were rebroadcast as television specials with commentary. The series resumed broadcast on June 25, 2020. A special episode titled "The Door of Sin" was released exclusively on Hulu on July 9, 2020. Dori Sakurada made a special guest appearance beginning with episode 8 as Moriya, an editorial staff member of a weekly tabloid magazine and an original character made for the television series.