Shine Post

TINGS

The group's name is taken from the first letter of each girl's family names. During the time Momiji and Yukine were away from the group, TINGS was spelled as TiNgS, with the lowercase letters representing the missing members.

• Kyōka Tamaki (玉城 杏夏)
• One of the members of TINGS. She has a calm personality, but will sometimes lash out at the others when needed. She is skilled in dancing.
• Momiji Itō (伊藤 紅葉)
• One of the members of TINGS. Due to a falling out, she and Yukine decided to leave TINGS and form a duo named YukiMoji, although they later rejoin TINGS.
• Haru Nabatame (青天国 春)
• She is the protagonist of the series, and the leader of TINGS. She has a cheerful personality, and was inspired to become an idol after seeing Hotaru's concert. She wears glasses when not doing idol activities. She was formerly a member of HY:RAIN.
• Yukine Gionji (祇園寺 雪音)
• One of the members of TINGS. Due to a falling out, she and Momiji decided to leave TINGS and form a duo named YukiMoji, although they later rejoin TINGS. Both of her parents are actors.
• Rio Seibu (聖舞 理王)
• One of the members of TINGS. She's very confident about her abilities.

HY:RAIN

• Ren Kurogane (黒金 蓮)
• The leader of HY:RAIN and Haru's childhood friend. She also goes to the same high school as her. She is disappointed Haru left HY:RAIN and seeks to bring her back to the group.
• Aoba Karabayashi (唐林 青葉)
• Itoha's older sister, who has a cool personality.
• Itoha Karabayashi (唐林 絃葉)
• Aoba's younger sister.
• Nanoka Hiumi (氷海 菜花)
• Yawara Naekawa (苗川 柔)

FFF

• Nanami Totsuka (兎塚 七海)
• She is the leader of FFF, which is currently the most popular group in Brightest.
• Hinatsu Hinomoto (陽本 日夏)
• Remy Nashinoki (梨子木 麗美)

YuraYura Sisters

• Natalya (ナターリャ)
• Miina Hirose (広瀬 実唯菜)

Himawari Symphony

An original idol unit for the game. They belong to "Art Knowledge," one of the largest agencies in the industry, which appears in the game. The story begins when the perennial underage girls, who belong to a famous large idol group that has supported the idol industry along with "absolute idol" Hotaru, but have never been selected, are given the name "Himawari Symphony."[4]

• Airi Koromori (琴森 愛莉)
• Nagi Agarie (東江 凪)
• Asuka Yakushin (薬師院 亜珠花)
• Minato Minamizaki (南崎 湊)

Laugh Diamond

The unit was announced as part of Konami's AI Singing Voice Library project, but was later revealed to also be a character appearing in the game. In the AI Singing Voice Library, the unit is set in a situation where they belong to a talent agency but are not allowed to debut, and the agency eventually goes bankrupt. This was a meta setting based on the real-life situation at the time when the game was not released and they could not appear.[6]

• Hibiki Tamura (篁 響季)
• Asahi Kazamatsuri (風祭 朝陽)
• Momoka Komurazaki (小紫 桃果)
• Kanon Yamada (山田 花音)

Others

• Hotaru (螢)
• A popular idol who inspired all of TINGS' members to become idols. She often teases Naoki over the phone by telling him to "commit seppuku". She is called Kei by Naoki.
• Yūki Hinase (日生 優希)
• The president of talent agency Brightest and Naoki's cousin. She took Haru into Brightest after the latter left HY:RAIN.
• Homare Torawatari (虎渡 誉)
• Eiko Kikuchi (菊池 英子)
• Hidehiko Katsuragi (葛城秀彦)
• Naoki Hinase (日生 直輝)
• TINGS' manager and Yuki's cousin. He has the ability to see people shining when they lie. He is good friends with Hotaru, whom he calls Kei.

Light novels

The Shine Post multimedia project began as a light novel series written by Rakuda and illustrated by Buriki. The series, titled Shine Post: Nee Shitteta? Watashi o Zettai Idol ni Suru Tame no, Goku Futsū de Atarimae na, to Bikkiri no Mahou (シャインポスト ねえ知ってた？　私を絶対アイドルにするための、ごく普通で当たり前な、とびっきりの魔法), began publication by ASCII Media Works under Dengeki Bunko imprint with on October 8, 2021. Three volumes have been released as of July 8, 2022.

Manga

A manga series with art by Makiko Kawasemi was serialized in Media Factory's Monthly Comic Alive magazine from January 27 to November 26, 2022.[14] Two tankōbon volumes were released between July 23 and December 22, 2022.

Anime

An anime television series was announced on October 26, 2021.[17][18][19] it is animated by Studio Kai and directed by Kei Oikawa, with SPP handling series composition, Tatsuto Higuchi and Rakuda, author of the light novel series, writing the scripts, Yoshihiro Nagata designing the characters, and Yōhei Kisara producing the music. Yasunori Nishiki and Tsubasa Ito composed the music.[20] The series aired from July 13 to October 19, 2022, on Nippon TV's AnichU programming block and other networks.[21][22] Sentai Filmworks licensed the series.[24] On August 16, 2022, it was announced that the seventh episode and beyond would be delayed due to COVID-19.[25]

Episode list

Live concerts

• TINGS LIVE JOURNEY ep.01 ～Departure～ Mini Live Event “Black or White? SPRING BOUT” (May 14, 2022)
• TINGS LIVE JOURNEY ep.02 “Re-Live” with HY:RAIN & HOTARU (March 11, 2023)

Game

A console game by Akihiro Ishihara and Konami Digital Entertainment titled Shine Post: Be Your Idol! (シャインポスト Be Your アイドル!) was announced, originally announced as a mobile game now switched into a handheld console version.[28] On January 7, 2025, that it would be released on a consumer platform, the change in platform also changed the objective of the game.[29][30] It was released for Nintendo Switch 2 in Japan on June 5, 2025.[31][32]

The singing parts were created using AI singing synthesis technology from TechnoSpeech, the same company that developed CeVIO and Voisona, and the singing style changed depending on the character's mental state and training status.[33] As this was a time when issues with AI-synthesized voices were becoming apparent, the rights of the performers were also taken into consideration.[7]