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! Nanaboshi Gakuensai ~7th Anniversary!!!!~ event, but was released under the Special Stories tab of the "Story" section of the game after the event's completion.

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