Hapi☆Hapi Sunday!

Hapi☆Hapi Sunday! (はぴ☆はぴサンデー！) is Kusumi Koharu's 6th and last solo single as Tsukishima Kirari starring Kusumi Koharu (Morning Musume). It was released on February 4, 2009 in both limited and regular editions. The limited edition came with a Kirarin☆Revolution card while the first press of the regular edition came with a Kirarin☆Revolution sticker. The Single V was released on February 11, 2009. "Hapi☆Hapi Sunday!" was used as the last ending theme for the anime Kirarin☆Revolution.
==Tracklist==
#Hapi☆Hapi Sunday!
#Hatten×JOY (ハッテン×JOY; Growth and Joy)
#Hapi☆Hapi Sunday! (Instrumental)
===Single V===
#Hapi☆Hapi Sunday!
#Tsukishima Kirari no One-point Dance Lesson (月島きらりのワンポイントダンスレッスン; Tsukishima Kirari's One-point Dance Lesson)
#Hapi☆Hapi Sunday! (Dance Shot Ver.)
#Making Eizou (メイキング映像; Making-of footage)
==TV Performances==
*[2009.02.04] Oha Star
==Concert Performances==
*Hello! Project 2009 Winter Wonderful Hearts Kouen ~Kakumei Gannen~
*Hello! Project 2009 Winter Kettei! Hello☆Pro Award '09 ~Elder Club Sotsugyou Kinen Special~ (with Frances & Aiko)
*Kirarin☆Revolution Final Stage
==Event Performances==
*[2020.08.06] Morning Musume '20 Okamura Homare・Yamazaki Mei Birthday Event - Yamazaki Mei
==Single Information==
#Hapi☆Hapi Sunday!
#*Lyrics, Composition, and Arrangement: Maeyamada Ken'ichi
#*Music Video: Suzuki Toshiyuki
#Hatten×JOY
#*Lyrics, Composition, and Arrangement: Araki Keiroku
==Oricon Chart Positions==
Total Reported Sales: 14,468
==Trivia==
*This is Kusumi Koharu's third single to have an English title, the first being Happy☆彡 and second being Chance!.
*The single V for the single sold 2,690 copies and peaked at #7 on the Oricon weekly charts.
*This is her lowest selling single.
==Videos==
==External Links==
*Discography:
**Single: Hello! Project (archived), UP-FRONT WORKS
**Single V: Hello! Project (archived), UP-FRONT WORKS
*Wikipedia: Japanese, English
*Lyrics: , {{hpl|Hatten×JOY]
Category:Kusumi Koharu Singles
Category:2009 Singles
Category:Lowest Selling Single
Category:7th Generation Morning Musume Singles In
Category:Kirarin Revolution Themes
Category:Solo Single
Category:Kusumi Koharu DVDs
Category:2009 DVDs
Category:2009 Single Vs
Category:Theme Songs