- Romaji: Natsu no Owari no 39 Matsuri
- English: 39 Festival at the End of Summer
- Description: Natsu no Owari no 39 Matsuri was an event held on August 29, 2012, to promote Hatsune Miku's latest game in the Project DIVA series: -Project DIVA- f (released the day after, on August 30), and to celebrate Miku's 5th anniversary.
The event was composed of two main areas; "Natsu Matsuri" (Summer Festival) and the water stage area. The Natsu Matsuri area (daytime) contained a fair corner, a food court, shows and exhibitions, shops and a playable demo of -Project DIVA- f. The water stage area (nighttime) provided entertainment using -Project DIVA- f's models with sound, lighting effects and water. This concert started at 19:00 (7 p.m.) and lasted about 30 minutes. Both demos from the game and Miku's performances were projected onto the water.
- Concert date: August 29, 2012
- Location: Yokohama Bay, Kanagawa Prefecture, Japan
- Entry fee: none
- Playlist №: 8 total (4 PVs and 4 performances)
- Company: Crypton Future Media, Inc., SEGA
- Associations piapro
The official PlayStation Japan YouTube channel uploaded partial video footage of the performances on September 6, 2012.
- "「夏の終わりの39祭り」 ウォーターステージ ダイジェストムービー" by PlayStation Japan ft. Hatsune Miku
|-Project DIVA- f Footage|
|0-1||秘密警察 (Himitsu Keisatsu)||Secret Police||Miku||Buriru-P|
|0-2||キャットフード (Cat Food)||Cat Food||Miku||doriko|
|0-3||ワールズエンド・ダンスホール (World's End Dancehall)||World's End Dancehall||Miku, Luka||wowaka|
|0-4||サマーアイドル (Summer Idol)||Summer Idol||Miku, Rin||OSTER project|
|01||Weekender Girl||Weekender Girl||Miku||kz (livetune), Hachioji-P|
|03||タイムマシン (Time Machine)||Time Machine||Miku||40meterP, 164|
|04||39 (San Kyuu)||Thank You||Miku||sasakure.UK, DECO*27|
- KarbyP (September 10, 2012). "Hatsune Miku’s "water stage" performance from Yokohama Bay [videos]". SGCafe. http://sgcafe.com/2012/09/hatsune-mikus-water-stage-performance-from-yokohama-bay-videos/. Retrieved May 20, 2013.
- "Festival 39 (Miku) end of summer". Netageo. August 29, 2012. http://www.netageo.com/en/post/274__Festival+39+(Miku)+end+of+summer.htm. Retrieved May 20, 2013.