Special Story - 7th Anniversary

Thanks for 7 Years. was the 7th anniversary story released for IDOLiSH7. It has 7 sections. It was released as a part of the All Star! Nanahoshi Gakuensai ~7th Anniversary!!!!~ event, but was released under the Special Story tab of the "Story" section of the game after the event's completion. It was fully voiced on February 21, 2023.

Summary
一織くん、環くん、悠くんたちが通う七星学園. 記念すべき7回目の学園祭に、16人のアイドルとマネージャー、それからあの人やこの人まで大集合…！？ 忘れられない、特別な日の様子をお届けします！

Translations
Read the translation here on the wiki

Trivia

 * Using the members of IDOLiSH7's names, convert the names to hiragana, take the respective placement of the numeric kana within their name and use the placement value to apply it to each section title, you get a message that says 「ここはまだ通過点」 or "This is just a checkpoint."
 * Iori: いずみ「い」おり, take the 4th character in the title 『祭りは[こ]こから！』
 * Yamato: 「に」かいどうやまと, take the 1st character in the title 『[コ]スプレスタンプラリー』
 * Mitsuki: いずみ「み」つき, take the 4th character in the title 『学園祭[は]じまる！』
 * Tamako: 「よつ」ばたまき, take the 1st and 2nd characters in the title『[まだ]はじまったばかり』 ("yotsu" is the kun'yomi for 4 )
 * Sogo: おうさかそう「ご」, take the 7th character in the title 『トラブルはい[つ]も』
 * Nagi: 「ろく」やなぎ, take the 1st and 2nd characters in the title 『[うか]つな人々』
 * Riku: 「なな」せりく, take the 1st and 2nd characters in the title 『[てん]までとどくうた』